./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product49_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_7a6d44c7-ab20-4410-8f8a-c38978bfd0f9/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7a6d44c7-ab20-4410-8f8a-c38978bfd0f9/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7a6d44c7-ab20-4410-8f8a-c38978bfd0f9/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7a6d44c7-ab20-4410-8f8a-c38978bfd0f9/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product49_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7a6d44c7-ab20-4410-8f8a-c38978bfd0f9/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7a6d44c7-ab20-4410-8f8a-c38978bfd0f9/bin-2019/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 81d3a03e2badb1d355e733e1f917b69305964186 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 17:07:28,164 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 17:07:28,165 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 17:07:28,171 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 17:07:28,171 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 17:07:28,171 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 17:07:28,172 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 17:07:28,173 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 17:07:28,173 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 17:07:28,174 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 17:07:28,174 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 17:07:28,174 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 17:07:28,175 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 17:07:28,175 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 17:07:28,176 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 17:07:28,176 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 17:07:28,176 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 17:07:28,177 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 17:07:28,178 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 17:07:28,179 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 17:07:28,179 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 17:07:28,180 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 17:07:28,181 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 17:07:28,181 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 17:07:28,181 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 17:07:28,181 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 17:07:28,182 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 17:07:28,182 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 17:07:28,183 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 17:07:28,183 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 17:07:28,183 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 17:07:28,183 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 17:07:28,184 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 17:07:28,184 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 17:07:28,184 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 17:07:28,184 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 17:07:28,185 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7a6d44c7-ab20-4410-8f8a-c38978bfd0f9/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-02 17:07:28,191 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 17:07:28,192 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 17:07:28,192 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 17:07:28,192 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 17:07:28,192 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 17:07:28,193 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 17:07:28,193 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 17:07:28,193 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 17:07:28,193 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 17:07:28,193 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 17:07:28,193 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 17:07:28,193 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 17:07:28,193 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 17:07:28,193 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 17:07:28,193 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 17:07:28,193 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 17:07:28,194 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 17:07:28,194 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 17:07:28,194 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 17:07:28,194 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 17:07:28,194 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 17:07:28,194 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 17:07:28,194 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 17:07:28,194 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 17:07:28,194 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 17:07:28,194 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 17:07:28,195 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 17:07:28,195 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-02 17:07:28,195 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 17:07:28,195 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 17:07:28,195 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_7a6d44c7-ab20-4410-8f8a-c38978bfd0f9/bin-2019/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 -> 81d3a03e2badb1d355e733e1f917b69305964186 [2018-12-02 17:07:28,212 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 17:07:28,220 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 17:07:28,222 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 17:07:28,223 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 17:07:28,223 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 17:07:28,223 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7a6d44c7-ab20-4410-8f8a-c38978bfd0f9/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product49_true-unreach-call_false-termination.cil.c [2018-12-02 17:07:28,257 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7a6d44c7-ab20-4410-8f8a-c38978bfd0f9/bin-2019/uautomizer/data/e97a7b554/09d3227268f44d899532c2f0acc68ac3/FLAG245e9aa4f [2018-12-02 17:07:28,699 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 17:07:28,700 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7a6d44c7-ab20-4410-8f8a-c38978bfd0f9/sv-benchmarks/c/product-lines/minepump_spec3_product49_true-unreach-call_false-termination.cil.c [2018-12-02 17:07:28,706 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7a6d44c7-ab20-4410-8f8a-c38978bfd0f9/bin-2019/uautomizer/data/e97a7b554/09d3227268f44d899532c2f0acc68ac3/FLAG245e9aa4f [2018-12-02 17:07:28,714 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7a6d44c7-ab20-4410-8f8a-c38978bfd0f9/bin-2019/uautomizer/data/e97a7b554/09d3227268f44d899532c2f0acc68ac3 [2018-12-02 17:07:28,716 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 17:07:28,716 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 17:07:28,717 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 17:07:28,717 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 17:07:28,720 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 17:07:28,720 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:07:28" (1/1) ... [2018-12-02 17:07:28,722 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42d622ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:07:28, skipping insertion in model container [2018-12-02 17:07:28,722 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:07:28" (1/1) ... [2018-12-02 17:07:28,726 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 17:07:28,753 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 17:07:28,925 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 17:07:28,965 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 17:07:29,004 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 17:07:29,019 INFO L195 MainTranslator]: Completed translation [2018-12-02 17:07:29,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:07:29 WrapperNode [2018-12-02 17:07:29,019 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 17:07:29,020 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 17:07:29,020 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 17:07:29,020 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 17:07:29,025 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:07:29" (1/1) ... [2018-12-02 17:07:29,035 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:07:29" (1/1) ... [2018-12-02 17:07:29,040 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 17:07:29,040 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 17:07:29,041 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 17:07:29,041 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 17:07:29,046 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:07:29" (1/1) ... [2018-12-02 17:07:29,046 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:07:29" (1/1) ... [2018-12-02 17:07:29,049 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:07:29" (1/1) ... [2018-12-02 17:07:29,049 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:07:29" (1/1) ... [2018-12-02 17:07:29,055 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:07:29" (1/1) ... [2018-12-02 17:07:29,058 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:07:29" (1/1) ... [2018-12-02 17:07:29,060 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:07:29" (1/1) ... [2018-12-02 17:07:29,062 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 17:07:29,062 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 17:07:29,062 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 17:07:29,062 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 17:07:29,063 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:07:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7a6d44c7-ab20-4410-8f8a-c38978bfd0f9/bin-2019/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 [2018-12-02 17:07:29,095 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-02 17:07:29,096 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-02 17:07:29,096 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 17:07:29,096 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 17:07:29,096 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-02 17:07:29,096 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-02 17:07:29,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 17:07:29,096 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-02 17:07:29,096 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-02 17:07:29,096 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-02 17:07:29,097 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-02 17:07:29,097 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-02 17:07:29,097 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-02 17:07:29,097 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-02 17:07:29,097 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-02 17:07:29,097 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-02 17:07:29,097 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-02 17:07:29,097 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-02 17:07:29,098 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-02 17:07:29,098 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-02 17:07:29,098 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-02 17:07:29,098 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-02 17:07:29,098 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-02 17:07:29,098 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-02 17:07:29,098 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-02 17:07:29,099 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-02 17:07:29,099 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-02 17:07:29,099 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-02 17:07:29,099 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-02 17:07:29,099 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-02 17:07:29,099 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-02 17:07:29,099 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-02 17:07:29,099 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-02 17:07:29,099 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 17:07:29,100 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 17:07:29,100 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-02 17:07:29,100 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-02 17:07:29,100 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-02 17:07:29,100 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-02 17:07:29,100 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-02 17:07:29,100 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-02 17:07:29,100 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-02 17:07:29,100 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-02 17:07:29,101 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-02 17:07:29,101 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-02 17:07:29,101 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-02 17:07:29,101 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-02 17:07:29,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 17:07:29,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 17:07:29,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 17:07:29,101 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-02 17:07:29,102 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-02 17:07:29,102 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-12-02 17:07:29,102 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-12-02 17:07:29,102 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-02 17:07:29,102 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-02 17:07:29,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 17:07:29,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 17:07:29,366 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 17:07:29,367 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-02 17:07:29,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:07:29 BoogieIcfgContainer [2018-12-02 17:07:29,367 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 17:07:29,367 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 17:07:29,367 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 17:07:29,369 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 17:07:29,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:07:28" (1/3) ... [2018-12-02 17:07:29,370 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55dd3cf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:07:29, skipping insertion in model container [2018-12-02 17:07:29,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:07:29" (2/3) ... [2018-12-02 17:07:29,370 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55dd3cf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:07:29, skipping insertion in model container [2018-12-02 17:07:29,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:07:29" (3/3) ... [2018-12-02 17:07:29,371 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product49_true-unreach-call_false-termination.cil.c [2018-12-02 17:07:29,377 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 17:07:29,381 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 17:07:29,390 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 17:07:29,407 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 17:07:29,408 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 17:07:29,408 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 17:07:29,408 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 17:07:29,408 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 17:07:29,408 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 17:07:29,408 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 17:07:29,408 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 17:07:29,408 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 17:07:29,420 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states. [2018-12-02 17:07:29,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-02 17:07:29,425 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:07:29,425 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:07:29,427 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:07:29,430 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:07:29,430 INFO L82 PathProgramCache]: Analyzing trace with hash -1160720793, now seen corresponding path program 1 times [2018-12-02 17:07:29,431 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:07:29,432 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:07:29,461 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:07:29,461 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:07:29,461 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:07:29,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:07:29,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:07:29,570 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:07:29,570 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 17:07:29,572 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 17:07:29,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 17:07:29,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 17:07:29,581 INFO L87 Difference]: Start difference. First operand 147 states. Second operand 2 states. [2018-12-02 17:07:29,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:07:29,603 INFO L93 Difference]: Finished difference Result 268 states and 331 transitions. [2018-12-02 17:07:29,603 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 17:07:29,604 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-12-02 17:07:29,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:07:29,610 INFO L225 Difference]: With dead ends: 268 [2018-12-02 17:07:29,611 INFO L226 Difference]: Without dead ends: 134 [2018-12-02 17:07:29,613 INFO L631 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 [2018-12-02 17:07:29,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-12-02 17:07:29,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2018-12-02 17:07:29,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2018-12-02 17:07:29,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 157 transitions. [2018-12-02 17:07:29,643 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 157 transitions. Word has length 52 [2018-12-02 17:07:29,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:07:29,643 INFO L480 AbstractCegarLoop]: Abstraction has 134 states and 157 transitions. [2018-12-02 17:07:29,643 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 17:07:29,643 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 157 transitions. [2018-12-02 17:07:29,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-02 17:07:29,645 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:07:29,646 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:07:29,646 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:07:29,646 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:07:29,646 INFO L82 PathProgramCache]: Analyzing trace with hash 1969471298, now seen corresponding path program 1 times [2018-12-02 17:07:29,646 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:07:29,646 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:07:29,647 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:07:29,647 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:07:29,647 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:07:29,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:07:29,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:07:29,699 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:07:29,699 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 17:07:29,700 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 17:07:29,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 17:07:29,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 17:07:29,700 INFO L87 Difference]: Start difference. First operand 134 states and 157 transitions. Second operand 3 states. [2018-12-02 17:07:29,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:07:29,713 INFO L93 Difference]: Finished difference Result 217 states and 253 transitions. [2018-12-02 17:07:29,714 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 17:07:29,714 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-12-02 17:07:29,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:07:29,715 INFO L225 Difference]: With dead ends: 217 [2018-12-02 17:07:29,715 INFO L226 Difference]: Without dead ends: 125 [2018-12-02 17:07:29,716 INFO L631 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 [2018-12-02 17:07:29,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2018-12-02 17:07:29,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2018-12-02 17:07:29,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2018-12-02 17:07:29,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 145 transitions. [2018-12-02 17:07:29,723 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 145 transitions. Word has length 53 [2018-12-02 17:07:29,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:07:29,723 INFO L480 AbstractCegarLoop]: Abstraction has 125 states and 145 transitions. [2018-12-02 17:07:29,723 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 17:07:29,724 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 145 transitions. [2018-12-02 17:07:29,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-02 17:07:29,725 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:07:29,725 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:07:29,725 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:07:29,725 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:07:29,725 INFO L82 PathProgramCache]: Analyzing trace with hash -1167765115, now seen corresponding path program 1 times [2018-12-02 17:07:29,725 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:07:29,725 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:07:29,726 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:07:29,726 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:07:29,726 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:07:29,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:07:29,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:07:29,795 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:07:29,795 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 17:07:29,795 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 17:07:29,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 17:07:29,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-02 17:07:29,796 INFO L87 Difference]: Start difference. First operand 125 states and 145 transitions. Second operand 7 states. [2018-12-02 17:07:29,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:07:29,970 INFO L93 Difference]: Finished difference Result 226 states and 267 transitions. [2018-12-02 17:07:29,971 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 17:07:29,971 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-12-02 17:07:29,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:07:29,972 INFO L225 Difference]: With dead ends: 226 [2018-12-02 17:07:29,972 INFO L226 Difference]: Without dead ends: 125 [2018-12-02 17:07:29,973 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 17:07:29,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2018-12-02 17:07:29,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2018-12-02 17:07:29,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2018-12-02 17:07:29,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 144 transitions. [2018-12-02 17:07:29,983 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 144 transitions. Word has length 57 [2018-12-02 17:07:29,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:07:29,983 INFO L480 AbstractCegarLoop]: Abstraction has 125 states and 144 transitions. [2018-12-02 17:07:29,983 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 17:07:29,983 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 144 transitions. [2018-12-02 17:07:29,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-02 17:07:29,985 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:07:29,985 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:07:29,985 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:07:29,986 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:07:29,986 INFO L82 PathProgramCache]: Analyzing trace with hash 203465218, now seen corresponding path program 1 times [2018-12-02 17:07:29,986 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:07:29,986 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:07:29,987 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:07:29,987 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:07:29,987 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:07:30,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:07:30,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:07:30,062 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:07:30,062 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 17:07:30,062 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 17:07:30,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 17:07:30,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 17:07:30,063 INFO L87 Difference]: Start difference. First operand 125 states and 144 transitions. Second operand 5 states. [2018-12-02 17:07:30,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:07:30,411 INFO L93 Difference]: Finished difference Result 332 states and 399 transitions. [2018-12-02 17:07:30,411 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 17:07:30,412 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2018-12-02 17:07:30,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:07:30,413 INFO L225 Difference]: With dead ends: 332 [2018-12-02 17:07:30,413 INFO L226 Difference]: Without dead ends: 231 [2018-12-02 17:07:30,414 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-02 17:07:30,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2018-12-02 17:07:30,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 213. [2018-12-02 17:07:30,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 213 states. [2018-12-02 17:07:30,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 243 transitions. [2018-12-02 17:07:30,433 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 243 transitions. Word has length 70 [2018-12-02 17:07:30,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:07:30,434 INFO L480 AbstractCegarLoop]: Abstraction has 213 states and 243 transitions. [2018-12-02 17:07:30,434 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 17:07:30,434 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 243 transitions. [2018-12-02 17:07:30,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-02 17:07:30,435 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:07:30,435 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:07:30,436 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:07:30,436 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:07:30,436 INFO L82 PathProgramCache]: Analyzing trace with hash -944503591, now seen corresponding path program 1 times [2018-12-02 17:07:30,436 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:07:30,436 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:07:30,437 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:07:30,437 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:07:30,437 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:07:30,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:07:30,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:07:30,524 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:07:30,524 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-02 17:07:30,524 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 17:07:30,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 17:07:30,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-02 17:07:30,525 INFO L87 Difference]: Start difference. First operand 213 states and 243 transitions. Second operand 8 states. [2018-12-02 17:07:30,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:07:30,560 INFO L93 Difference]: Finished difference Result 409 states and 479 transitions. [2018-12-02 17:07:30,560 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 17:07:30,560 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 84 [2018-12-02 17:07:30,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:07:30,562 INFO L225 Difference]: With dead ends: 409 [2018-12-02 17:07:30,563 INFO L226 Difference]: Without dead ends: 220 [2018-12-02 17:07:30,563 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-02 17:07:30,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2018-12-02 17:07:30,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 217. [2018-12-02 17:07:30,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2018-12-02 17:07:30,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 247 transitions. [2018-12-02 17:07:30,579 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 247 transitions. Word has length 84 [2018-12-02 17:07:30,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:07:30,579 INFO L480 AbstractCegarLoop]: Abstraction has 217 states and 247 transitions. [2018-12-02 17:07:30,579 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 17:07:30,579 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 247 transitions. [2018-12-02 17:07:30,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-02 17:07:30,580 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:07:30,580 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:07:30,580 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:07:30,580 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:07:30,581 INFO L82 PathProgramCache]: Analyzing trace with hash -100498089, now seen corresponding path program 1 times [2018-12-02 17:07:30,581 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:07:30,581 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:07:30,581 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:07:30,582 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:07:30,582 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:07:30,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:07:30,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:07:30,634 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:07:30,634 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 17:07:30,634 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 17:07:30,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 17:07:30,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 17:07:30,635 INFO L87 Difference]: Start difference. First operand 217 states and 247 transitions. Second operand 6 states. [2018-12-02 17:07:30,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:07:30,742 INFO L93 Difference]: Finished difference Result 522 states and 626 transitions. [2018-12-02 17:07:30,742 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 17:07:30,742 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2018-12-02 17:07:30,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:07:30,744 INFO L225 Difference]: With dead ends: 522 [2018-12-02 17:07:30,744 INFO L226 Difference]: Without dead ends: 329 [2018-12-02 17:07:30,745 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-02 17:07:30,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2018-12-02 17:07:30,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 325. [2018-12-02 17:07:30,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 325 states. [2018-12-02 17:07:30,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 376 transitions. [2018-12-02 17:07:30,765 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 376 transitions. Word has length 84 [2018-12-02 17:07:30,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:07:30,765 INFO L480 AbstractCegarLoop]: Abstraction has 325 states and 376 transitions. [2018-12-02 17:07:30,765 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 17:07:30,765 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 376 transitions. [2018-12-02 17:07:30,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-02 17:07:30,766 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:07:30,766 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:07:30,767 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:07:30,767 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:07:30,767 INFO L82 PathProgramCache]: Analyzing trace with hash 2100826833, now seen corresponding path program 1 times [2018-12-02 17:07:30,767 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:07:30,767 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:07:30,768 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:07:30,768 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:07:30,768 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:07:30,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:07:30,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:07:30,834 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:07:30,834 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 17:07:30,834 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 17:07:30,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 17:07:30,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 17:07:30,835 INFO L87 Difference]: Start difference. First operand 325 states and 376 transitions. Second operand 6 states. [2018-12-02 17:07:30,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:07:30,960 INFO L93 Difference]: Finished difference Result 702 states and 847 transitions. [2018-12-02 17:07:30,960 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 17:07:30,960 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2018-12-02 17:07:30,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:07:30,962 INFO L225 Difference]: With dead ends: 702 [2018-12-02 17:07:30,962 INFO L226 Difference]: Without dead ends: 509 [2018-12-02 17:07:30,963 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-02 17:07:30,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states. [2018-12-02 17:07:30,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 491. [2018-12-02 17:07:30,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 491 states. [2018-12-02 17:07:30,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 582 transitions. [2018-12-02 17:07:30,982 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 582 transitions. Word has length 88 [2018-12-02 17:07:30,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:07:30,982 INFO L480 AbstractCegarLoop]: Abstraction has 491 states and 582 transitions. [2018-12-02 17:07:30,982 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 17:07:30,982 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 582 transitions. [2018-12-02 17:07:30,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-02 17:07:30,983 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:07:30,984 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:07:30,984 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:07:30,984 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:07:30,984 INFO L82 PathProgramCache]: Analyzing trace with hash 334137748, now seen corresponding path program 1 times [2018-12-02 17:07:30,984 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:07:30,985 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:07:30,985 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:07:30,985 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:07:30,985 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:07:30,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:07:31,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:07:31,029 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:07:31,029 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-02 17:07:31,029 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 17:07:31,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 17:07:31,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-02 17:07:31,030 INFO L87 Difference]: Start difference. First operand 491 states and 582 transitions. Second operand 9 states. [2018-12-02 17:07:31,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:07:31,072 INFO L93 Difference]: Finished difference Result 866 states and 1039 transitions. [2018-12-02 17:07:31,072 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-02 17:07:31,072 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 88 [2018-12-02 17:07:31,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:07:31,074 INFO L225 Difference]: With dead ends: 866 [2018-12-02 17:07:31,074 INFO L226 Difference]: Without dead ends: 507 [2018-12-02 17:07:31,075 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-12-02 17:07:31,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2018-12-02 17:07:31,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 504. [2018-12-02 17:07:31,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 504 states. [2018-12-02 17:07:31,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 504 states and 596 transitions. [2018-12-02 17:07:31,092 INFO L78 Accepts]: Start accepts. Automaton has 504 states and 596 transitions. Word has length 88 [2018-12-02 17:07:31,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:07:31,092 INFO L480 AbstractCegarLoop]: Abstraction has 504 states and 596 transitions. [2018-12-02 17:07:31,092 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 17:07:31,092 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 596 transitions. [2018-12-02 17:07:31,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-02 17:07:31,093 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:07:31,093 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:07:31,094 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:07:31,094 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:07:31,094 INFO L82 PathProgramCache]: Analyzing trace with hash 1178143250, now seen corresponding path program 1 times [2018-12-02 17:07:31,094 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:07:31,094 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:07:31,095 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:07:31,095 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:07:31,095 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:07:31,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:07:31,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:07:31,131 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:07:31,131 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 17:07:31,131 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 17:07:31,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 17:07:31,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 17:07:31,131 INFO L87 Difference]: Start difference. First operand 504 states and 596 transitions. Second operand 5 states. [2018-12-02 17:07:31,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:07:31,149 INFO L93 Difference]: Finished difference Result 861 states and 1039 transitions. [2018-12-02 17:07:31,149 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 17:07:31,149 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 88 [2018-12-02 17:07:31,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:07:31,151 INFO L225 Difference]: With dead ends: 861 [2018-12-02 17:07:31,151 INFO L226 Difference]: Without dead ends: 489 [2018-12-02 17:07:31,152 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 17:07:31,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2018-12-02 17:07:31,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 489. [2018-12-02 17:07:31,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 489 states. [2018-12-02 17:07:31,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 576 transitions. [2018-12-02 17:07:31,167 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 576 transitions. Word has length 88 [2018-12-02 17:07:31,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:07:31,167 INFO L480 AbstractCegarLoop]: Abstraction has 489 states and 576 transitions. [2018-12-02 17:07:31,168 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 17:07:31,168 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 576 transitions. [2018-12-02 17:07:31,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-02 17:07:31,169 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:07:31,169 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:07:31,169 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:07:31,169 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:07:31,169 INFO L82 PathProgramCache]: Analyzing trace with hash 1853727931, now seen corresponding path program 1 times [2018-12-02 17:07:31,169 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:07:31,169 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:07:31,170 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:07:31,170 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:07:31,170 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:07:31,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:07:31,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:07:31,238 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:07:31,238 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-02 17:07:31,238 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 17:07:31,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 17:07:31,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-02 17:07:31,239 INFO L87 Difference]: Start difference. First operand 489 states and 576 transitions. Second operand 10 states. [2018-12-02 17:07:31,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:07:31,334 INFO L93 Difference]: Finished difference Result 960 states and 1134 transitions. [2018-12-02 17:07:31,334 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-02 17:07:31,334 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 89 [2018-12-02 17:07:31,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:07:31,336 INFO L225 Difference]: With dead ends: 960 [2018-12-02 17:07:31,336 INFO L226 Difference]: Without dead ends: 495 [2018-12-02 17:07:31,337 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-12-02 17:07:31,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2018-12-02 17:07:31,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 478. [2018-12-02 17:07:31,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 478 states. [2018-12-02 17:07:31,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 545 transitions. [2018-12-02 17:07:31,354 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 545 transitions. Word has length 89 [2018-12-02 17:07:31,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:07:31,354 INFO L480 AbstractCegarLoop]: Abstraction has 478 states and 545 transitions. [2018-12-02 17:07:31,354 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 17:07:31,354 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 545 transitions. [2018-12-02 17:07:31,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-02 17:07:31,355 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:07:31,356 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:07:31,356 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:07:31,356 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:07:31,356 INFO L82 PathProgramCache]: Analyzing trace with hash 1443278463, now seen corresponding path program 1 times [2018-12-02 17:07:31,356 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:07:31,356 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:07:31,356 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:07:31,357 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:07:31,357 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:07:31,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:07:31,398 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 17:07:31,398 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 17:07:31,398 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7a6d44c7-ab20-4410-8f8a-c38978bfd0f9/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 17:07:31,404 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:07:31,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:07:31,485 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 17:07:31,583 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:07:31,608 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 17:07:31,609 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [6] total 12 [2018-12-02 17:07:31,609 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-02 17:07:31,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-02 17:07:31,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2018-12-02 17:07:31,610 INFO L87 Difference]: Start difference. First operand 478 states and 545 transitions. Second operand 12 states. [2018-12-02 17:07:32,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:07:32,616 INFO L93 Difference]: Finished difference Result 1182 states and 1450 transitions. [2018-12-02 17:07:32,616 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-12-02 17:07:32,617 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 138 [2018-12-02 17:07:32,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:07:32,620 INFO L225 Difference]: With dead ends: 1182 [2018-12-02 17:07:32,620 INFO L226 Difference]: Without dead ends: 791 [2018-12-02 17:07:32,621 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=128, Invalid=472, Unknown=0, NotChecked=0, Total=600 [2018-12-02 17:07:32,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 791 states. [2018-12-02 17:07:32,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 791 to 729. [2018-12-02 17:07:32,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 729 states. [2018-12-02 17:07:32,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 729 states and 847 transitions. [2018-12-02 17:07:32,653 INFO L78 Accepts]: Start accepts. Automaton has 729 states and 847 transitions. Word has length 138 [2018-12-02 17:07:32,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:07:32,653 INFO L480 AbstractCegarLoop]: Abstraction has 729 states and 847 transitions. [2018-12-02 17:07:32,654 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-02 17:07:32,654 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 847 transitions. [2018-12-02 17:07:32,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-02 17:07:32,654 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:07:32,655 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:07:32,655 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:07:32,655 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:07:32,655 INFO L82 PathProgramCache]: Analyzing trace with hash -1360572798, now seen corresponding path program 1 times [2018-12-02 17:07:32,655 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:07:32,655 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:07:32,656 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:07:32,656 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:07:32,656 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:07:32,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:07:32,701 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-02 17:07:32,701 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 17:07:32,701 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7a6d44c7-ab20-4410-8f8a-c38978bfd0f9/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 17:07:32,707 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:07:32,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:07:32,772 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 17:07:32,851 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 11 proven. 8 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-02 17:07:32,867 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-02 17:07:32,867 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10] total 15 [2018-12-02 17:07:32,868 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-02 17:07:32,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-02 17:07:32,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2018-12-02 17:07:32,868 INFO L87 Difference]: Start difference. First operand 729 states and 847 transitions. Second operand 15 states. [2018-12-02 17:07:34,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:07:34,295 INFO L93 Difference]: Finished difference Result 2573 states and 3606 transitions. [2018-12-02 17:07:34,295 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-12-02 17:07:34,295 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 138 [2018-12-02 17:07:34,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:07:34,296 INFO L225 Difference]: With dead ends: 2573 [2018-12-02 17:07:34,296 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 17:07:34,299 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 443 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=349, Invalid=1543, Unknown=0, NotChecked=0, Total=1892 [2018-12-02 17:07:34,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 17:07:34,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 17:07:34,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 17:07:34,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 17:07:34,300 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 138 [2018-12-02 17:07:34,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:07:34,300 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 17:07:34,300 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-02 17:07:34,300 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 17:07:34,300 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 17:07:34,304 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 17:07:34,354 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:07:34,355 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:07:34,355 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:07:34,356 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:07:34,356 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:07:34,357 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:07:34,358 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:07:34,361 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:07:34,364 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:07:34,364 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:07:34,365 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:07:34,366 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:07:34,369 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:07:34,371 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:07:34,374 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:07:34,377 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:07:34,401 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:07:34,401 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:07:34,402 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:07:34,403 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:07:34,404 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:07:34,404 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:07:34,407 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:07:34,408 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:07:34,412 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:07:34,414 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:07:34,415 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:07:34,416 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:07:34,420 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:07:34,425 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:07:34,432 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:07:34,433 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:07:34,435 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:07:34,437 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:07:34,441 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:07:34,722 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:07:34,725 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:07:34,725 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:07:34,726 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:07:34,726 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:07:34,727 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:07:34,727 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:07:34,729 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:07:34,730 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:07:34,732 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:07:34,735 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:07:34,737 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:07:34,772 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:07:34,772 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:07:34,773 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:07:34,773 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:07:34,774 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:07:34,774 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:07:34,775 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:07:34,776 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:07:34,779 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:07:34,780 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:07:34,780 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:07:34,781 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:07:34,783 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:07:34,787 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:07:34,791 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:07:34,792 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:07:34,793 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:07:34,794 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:07:34,797 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:07:35,007 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 21 [2018-12-02 17:07:35,205 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 25 [2018-12-02 17:07:35,923 WARN L180 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 40 [2018-12-02 17:07:36,104 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 30 [2018-12-02 17:07:36,256 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 26 [2018-12-02 17:07:36,544 WARN L180 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 26 [2018-12-02 17:07:36,671 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 21 [2018-12-02 17:07:36,910 WARN L180 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 21 [2018-12-02 17:07:37,140 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 20 [2018-12-02 17:07:37,950 WARN L180 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 44 [2018-12-02 17:07:38,133 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 476 482) the Hoare annotation is: true [2018-12-02 17:07:38,133 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 476 482) no Hoare annotation was computed. [2018-12-02 17:07:38,133 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 483 491) no Hoare annotation was computed. [2018-12-02 17:07:38,133 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 483 491) the Hoare annotation is: true [2018-12-02 17:07:38,134 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 483 491) no Hoare annotation was computed. [2018-12-02 17:07:38,134 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 931 953) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 17:07:38,134 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 931 953) no Hoare annotation was computed. [2018-12-02 17:07:38,134 INFO L444 ceAbstractionStarter]: At program point L943(line 943) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~9 ~systemActive~0) (<= 1 ~waterLevel~0) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 17:07:38,134 INFO L444 ceAbstractionStarter]: At program point L943-1(line 943) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~9 ~systemActive~0) (<= 1 ~waterLevel~0) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 17:07:38,134 INFO L448 ceAbstractionStarter]: For program point L941(lines 941 948) no Hoare annotation was computed. [2018-12-02 17:07:38,134 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 931 953) no Hoare annotation was computed. [2018-12-02 17:07:38,134 INFO L448 ceAbstractionStarter]: For program point L941-1(lines 941 948) no Hoare annotation was computed. [2018-12-02 17:07:38,134 INFO L448 ceAbstractionStarter]: For program point L939(line 939) no Hoare annotation was computed. [2018-12-02 17:07:38,134 INFO L444 ceAbstractionStarter]: At program point L938(line 938) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 17:07:38,134 INFO L444 ceAbstractionStarter]: At program point L937(line 937) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 17:07:38,134 INFO L444 ceAbstractionStarter]: At program point L937-1(line 937) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 17:07:38,134 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 164 172) no Hoare annotation was computed. [2018-12-02 17:07:38,134 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 164 172) the Hoare annotation is: true [2018-12-02 17:07:38,134 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 164 172) no Hoare annotation was computed. [2018-12-02 17:07:38,134 INFO L448 ceAbstractionStarter]: For program point L237(lines 237 241) no Hoare annotation was computed. [2018-12-02 17:07:38,134 INFO L451 ceAbstractionStarter]: At program point L235(line 235) the Hoare annotation is: true [2018-12-02 17:07:38,134 INFO L448 ceAbstractionStarter]: For program point L237-2(lines 237 241) no Hoare annotation was computed. [2018-12-02 17:07:38,134 INFO L448 ceAbstractionStarter]: For program point L235-1(line 235) no Hoare annotation was computed. [2018-12-02 17:07:38,135 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 228 246) the Hoare annotation is: true [2018-12-02 17:07:38,135 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 228 246) no Hoare annotation was computed. [2018-12-02 17:07:38,135 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 228 246) no Hoare annotation was computed. [2018-12-02 17:07:38,135 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 469 475) no Hoare annotation was computed. [2018-12-02 17:07:38,135 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 469 475) the Hoare annotation is: true [2018-12-02 17:07:38,135 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 921 930) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 17:07:38,135 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 921 930) no Hoare annotation was computed. [2018-12-02 17:07:38,135 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 921 930) no Hoare annotation was computed. [2018-12-02 17:07:38,135 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 145 152) the Hoare annotation is: (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-02 17:07:38,135 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 145 152) no Hoare annotation was computed. [2018-12-02 17:07:38,135 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 145 152) no Hoare annotation was computed. [2018-12-02 17:07:38,135 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 431 444) no Hoare annotation was computed. [2018-12-02 17:07:38,135 INFO L448 ceAbstractionStarter]: For program point L435(lines 435 441) no Hoare annotation was computed. [2018-12-02 17:07:38,135 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 431 444) the Hoare annotation is: true [2018-12-02 17:07:38,135 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 431 444) no Hoare annotation was computed. [2018-12-02 17:07:38,135 INFO L444 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-12-02 17:07:38,135 INFO L444 ceAbstractionStarter]: At program point L122(line 122) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-12-02 17:07:38,135 INFO L448 ceAbstractionStarter]: For program point L120(lines 120 128) no Hoare annotation was computed. [2018-12-02 17:07:38,135 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 112 136) no Hoare annotation was computed. [2018-12-02 17:07:38,136 INFO L444 ceAbstractionStarter]: At program point L118(line 118) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-12-02 17:07:38,136 INFO L448 ceAbstractionStarter]: For program point L118-1(line 118) no Hoare annotation was computed. [2018-12-02 17:07:38,136 INFO L448 ceAbstractionStarter]: For program point L116(lines 116 133) no Hoare annotation was computed. [2018-12-02 17:07:38,136 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 112 136) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 (< 2 ~waterLevel~0) .cse1) (or (< 1 ~waterLevel~0) .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1))) [2018-12-02 17:07:38,136 INFO L444 ceAbstractionStarter]: At program point L131(line 131) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-12-02 17:07:38,136 INFO L448 ceAbstractionStarter]: For program point L131-1(lines 112 136) no Hoare annotation was computed. [2018-12-02 17:07:38,136 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 78 84) no Hoare annotation was computed. [2018-12-02 17:07:38,136 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 78 84) the Hoare annotation is: true [2018-12-02 17:07:38,136 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 251 314) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 17:07:38,136 INFO L444 ceAbstractionStarter]: At program point L283(line 283) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) .cse0 .cse1) (and .cse0 (= ~pumpRunning~0 1) .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 17:07:38,136 INFO L448 ceAbstractionStarter]: For program point L281(lines 281 287) no Hoare annotation was computed. [2018-12-02 17:07:38,136 INFO L448 ceAbstractionStarter]: For program point L281-1(lines 281 287) no Hoare annotation was computed. [2018-12-02 17:07:38,136 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 251 314) no Hoare annotation was computed. [2018-12-02 17:07:38,136 INFO L444 ceAbstractionStarter]: At program point L273(line 273) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 1) .cse0) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 17:07:38,136 INFO L444 ceAbstractionStarter]: At program point L304(lines 261 306) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 1) .cse0) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 17:07:38,137 INFO L448 ceAbstractionStarter]: For program point L271(lines 271 277) no Hoare annotation was computed. [2018-12-02 17:07:38,137 INFO L448 ceAbstractionStarter]: For program point L271-1(lines 271 277) no Hoare annotation was computed. [2018-12-02 17:07:38,137 INFO L448 ceAbstractionStarter]: For program point L263(lines 263 267) no Hoare annotation was computed. [2018-12-02 17:07:38,137 INFO L444 ceAbstractionStarter]: At program point L307(lines 260 308) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 17:07:38,137 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 301) no Hoare annotation was computed. [2018-12-02 17:07:38,137 INFO L444 ceAbstractionStarter]: At program point L297-2(lines 291 302) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) .cse0 .cse1) (and .cse0 (= ~pumpRunning~0 1) .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 17:07:38,137 INFO L448 ceAbstractionStarter]: For program point L262(lines 261 306) no Hoare annotation was computed. [2018-12-02 17:07:38,137 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 302) no Hoare annotation was computed. [2018-12-02 17:07:38,137 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 251 314) no Hoare annotation was computed. [2018-12-02 17:07:38,137 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 445 453) no Hoare annotation was computed. [2018-12-02 17:07:38,137 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 445 453) the Hoare annotation is: true [2018-12-02 17:07:38,137 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 445 453) no Hoare annotation was computed. [2018-12-02 17:07:38,138 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 17:07:38,138 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-02 17:07:38,138 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 17:07:38,138 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 137 144) no Hoare annotation was computed. [2018-12-02 17:07:38,138 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 137 144) no Hoare annotation was computed. [2018-12-02 17:07:38,138 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 137 144) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< 2 ~waterLevel~0) (< ~waterLevel~0 2) (not (= ~systemActive~0 1))) [2018-12-02 17:07:38,138 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 422 430) the Hoare annotation is: true [2018-12-02 17:07:38,138 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 422 430) no Hoare annotation was computed. [2018-12-02 17:07:38,138 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 422 430) no Hoare annotation was computed. [2018-12-02 17:07:38,138 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 209 227) no Hoare annotation was computed. [2018-12-02 17:07:38,138 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 222) no Hoare annotation was computed. [2018-12-02 17:07:38,138 INFO L451 ceAbstractionStarter]: At program point L216(line 216) the Hoare annotation is: true [2018-12-02 17:07:38,138 INFO L448 ceAbstractionStarter]: For program point L218-2(lines 218 222) no Hoare annotation was computed. [2018-12-02 17:07:38,139 INFO L448 ceAbstractionStarter]: For program point L216-1(line 216) no Hoare annotation was computed. [2018-12-02 17:07:38,139 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 209 227) the Hoare annotation is: true [2018-12-02 17:07:38,139 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 209 227) no Hoare annotation was computed. [2018-12-02 17:07:38,139 INFO L448 ceAbstractionStarter]: For program point L382-1(lines 378 389) no Hoare annotation was computed. [2018-12-02 17:07:38,139 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 378 389) the Hoare annotation is: (let ((.cse2 (= |old(~methaneLevelCritical~0)| 0)) (.cse4 (not (= ~systemActive~0 1))) (.cse7 (= 0 ~methaneLevelCritical~0))) (let ((.cse1 (not .cse7)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse5 (or (not (= 1 ~pumpRunning~0)) .cse4)) (.cse3 (< 2 ~waterLevel~0)) (.cse6 (not .cse2))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse2 .cse3) (or .cse0 .cse3 .cse4 .cse6 .cse7) (or .cse5 .cse3 .cse6 .cse7)))) [2018-12-02 17:07:38,139 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 378 389) no Hoare annotation was computed. [2018-12-02 17:07:38,139 INFO L448 ceAbstractionStarter]: For program point L866-1(line 866) no Hoare annotation was computed. [2018-12-02 17:07:38,139 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 860 889) no Hoare annotation was computed. [2018-12-02 17:07:38,139 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 860 889) the Hoare annotation is: true [2018-12-02 17:07:38,139 INFO L451 ceAbstractionStarter]: At program point L885(lines 860 889) the Hoare annotation is: true [2018-12-02 17:07:38,139 INFO L448 ceAbstractionStarter]: For program point L881(line 881) no Hoare annotation was computed. [2018-12-02 17:07:38,139 INFO L448 ceAbstractionStarter]: For program point L874(lines 874 878) no Hoare annotation was computed. [2018-12-02 17:07:38,140 INFO L451 ceAbstractionStarter]: At program point L874-1(lines 874 878) the Hoare annotation is: true [2018-12-02 17:07:38,140 INFO L448 ceAbstractionStarter]: For program point L871(line 871) no Hoare annotation was computed. [2018-12-02 17:07:38,140 INFO L451 ceAbstractionStarter]: At program point L870-2(lines 870 884) the Hoare annotation is: true [2018-12-02 17:07:38,140 INFO L451 ceAbstractionStarter]: At program point L866(line 866) the Hoare annotation is: true [2018-12-02 17:07:38,140 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 390 398) the Hoare annotation is: true [2018-12-02 17:07:38,140 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 390 398) no Hoare annotation was computed. [2018-12-02 17:07:38,140 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 390 398) no Hoare annotation was computed. [2018-12-02 17:07:38,140 INFO L444 ceAbstractionStarter]: At program point L65(lines 65 71) the Hoare annotation is: (let ((.cse6 (not (= ~systemActive~0 1)))) (let ((.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (< 2 |old(~waterLevel~0)|)) (.cse0 (< 1 |old(~waterLevel~0)|)) (.cse1 (or (not (= 1 |old(~pumpRunning~0)|)) .cse6)) (.cse5 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse0 .cse1 (< |old(~waterLevel~0)| 1)) (or (<= 1 ~waterLevel~0) .cse1 .cse2 (< |old(~waterLevel~0)| 2)) (let ((.cse3 (<= ~waterLevel~0 1))) (or (and (= 0 ~pumpRunning~0) .cse3) .cse1 (and .cse3 .cse4) .cse2)) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) .cse4) .cse2 .cse6 (and .cse5 (<= 2 ~waterLevel~0) (= ~pumpRunning~0 1))) (or .cse0 .cse1 .cse5)))) [2018-12-02 17:07:38,140 INFO L444 ceAbstractionStarter]: At program point L60(line 60) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1)))) (let ((.cse2 (or (not (= 1 |old(~pumpRunning~0)|)) .cse1)) (.cse0 (< 2 |old(~waterLevel~0)|))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) .cse2 .cse0) (or .cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse0)))) [2018-12-02 17:07:38,140 INFO L448 ceAbstractionStarter]: For program point L58(lines 57 76) no Hoare annotation was computed. [2018-12-02 17:07:38,141 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 54 77) the Hoare annotation is: (let ((.cse6 (not (= ~systemActive~0 1))) (.cse7 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse8 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse2 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse7 .cse8)) (.cse0 (< 1 |old(~waterLevel~0)|)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (and (<= ~waterLevel~0 2) .cse7 .cse8)) (.cse1 (or (not (= 1 |old(~pumpRunning~0)|)) .cse6)) (.cse5 (< 2 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse6) (or .cse2 .cse0 .cse3 .cse6) (or .cse4 .cse1 .cse5)))) [2018-12-02 17:07:38,141 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 54 77) no Hoare annotation was computed. [2018-12-02 17:07:38,141 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 54 77) no Hoare annotation was computed. [2018-12-02 17:07:38,141 INFO L444 ceAbstractionStarter]: At program point L67(line 67) the Hoare annotation is: (let ((.cse5 (not (= ~systemActive~0 1)))) (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< 1 |old(~waterLevel~0)|)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (or (not (= 1 |old(~pumpRunning~0)|)) .cse5)) (.cse4 (< 2 |old(~waterLevel~0)|)) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse0 .cse1 (< |old(~waterLevel~0)| 1)) (or .cse2 (and (<= ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) .cse3) .cse4 .cse5) (or (<= 1 ~waterLevel~0) .cse1 .cse4 (< |old(~waterLevel~0)| 2)) (or .cse1 (and (<= ~waterLevel~0 1) .cse3) .cse4) (or .cse6 .cse0 .cse2 .cse5) (or .cse1 .cse4 .cse6)))) [2018-12-02 17:07:38,141 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 318 350) no Hoare annotation was computed. [2018-12-02 17:07:38,141 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 318 350) the Hoare annotation is: true [2018-12-02 17:07:38,141 INFO L444 ceAbstractionStarter]: At program point L341(line 341) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) .cse0) (or (< 2 ~waterLevel~0) (not (= 1 ~pumpRunning~0)) .cse0))) [2018-12-02 17:07:38,141 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 343) no Hoare annotation was computed. [2018-12-02 17:07:38,141 INFO L444 ceAbstractionStarter]: At program point L335(line 335) the Hoare annotation is: (let ((.cse3 (< 1 ~waterLevel~0)) (.cse0 (< 2 ~waterLevel~0)) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1)))) (and (or (= __utac_acc__Specification3_spec__1_~tmp~5 ~methaneLevelCritical~0) .cse0 .cse1 .cse2) (or .cse3 (not (= 0 ~pumpRunning~0)) .cse2) (or .cse3 .cse1 .cse2) (or (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2))) [2018-12-02 17:07:38,142 INFO L448 ceAbstractionStarter]: For program point L335-1(line 335) no Hoare annotation was computed. [2018-12-02 17:07:38,142 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 346) no Hoare annotation was computed. [2018-12-02 17:07:38,142 INFO L448 ceAbstractionStarter]: For program point L333-1(lines 318 350) no Hoare annotation was computed. [2018-12-02 17:07:38,142 INFO L444 ceAbstractionStarter]: At program point L331(line 331) the Hoare annotation is: (let ((.cse6 (= ~methaneLevelCritical~0 0)) (.cse1 (< 2 ~waterLevel~0)) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse4 (< 1 ~waterLevel~0)) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse0 (= __utac_acc__Specification3_spec__1_~tmp~5 ~methaneLevelCritical~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse3) (or .cse6 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse3 .cse0))) [2018-12-02 17:07:38,142 INFO L448 ceAbstractionStarter]: For program point L331-1(line 331) no Hoare annotation was computed. [2018-12-02 17:07:38,142 INFO L448 ceAbstractionStarter]: For program point L327(lines 327 347) no Hoare annotation was computed. [2018-12-02 17:07:38,142 INFO L451 ceAbstractionStarter]: At program point L325(line 325) the Hoare annotation is: true [2018-12-02 17:07:38,142 INFO L448 ceAbstractionStarter]: For program point L325-1(line 325) no Hoare annotation was computed. [2018-12-02 17:07:38,142 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 354 365) the Hoare annotation is: (let ((.cse0 (< 2 |old(~waterLevel~0)|)) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse2 (or (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))))) (and (or (<= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1 .cse2) (or (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse0 .cse1 .cse2))) [2018-12-02 17:07:38,142 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 354 365) no Hoare annotation was computed. [2018-12-02 17:07:38,142 INFO L448 ceAbstractionStarter]: For program point L358-1(lines 354 365) no Hoare annotation was computed. [2018-12-02 17:07:38,142 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 914 920) no Hoare annotation was computed. [2018-12-02 17:07:38,143 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 914 920) the Hoare annotation is: true [2018-12-02 17:07:38,143 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 17:07:38,143 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) (= ~systemActive~0 1) (< ~waterLevel~0 2)) [2018-12-02 17:07:38,143 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 17:07:38,143 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 17:07:38,143 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 86 110) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 (< 2 ~waterLevel~0) .cse1) (or (< 1 ~waterLevel~0) .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1))) [2018-12-02 17:07:38,143 INFO L444 ceAbstractionStarter]: At program point L96(line 96) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (<= 2 ~waterLevel~0) .cse0 .cse1) (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (< 2 ~waterLevel~0) .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)))) [2018-12-02 17:07:38,143 INFO L448 ceAbstractionStarter]: For program point L94(lines 94 102) no Hoare annotation was computed. [2018-12-02 17:07:38,143 INFO L444 ceAbstractionStarter]: At program point L92(line 92) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-12-02 17:07:38,143 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 86 110) no Hoare annotation was computed. [2018-12-02 17:07:38,143 INFO L448 ceAbstractionStarter]: For program point L92-1(line 92) no Hoare annotation was computed. [2018-12-02 17:07:38,144 INFO L448 ceAbstractionStarter]: For program point L90(lines 90 107) no Hoare annotation was computed. [2018-12-02 17:07:38,144 INFO L444 ceAbstractionStarter]: At program point L105(line 105) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-12-02 17:07:38,144 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 86 110) no Hoare annotation was computed. [2018-12-02 17:07:38,144 INFO L444 ceAbstractionStarter]: At program point L100(line 100) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (<= 2 ~waterLevel~0) .cse1 .cse0)) (or .cse1 (< 2 ~waterLevel~0) (< ~waterLevel~0 2) .cse0))) [2018-12-02 17:07:38,144 INFO L448 ceAbstractionStarter]: For program point L370-1(lines 366 377) no Hoare annotation was computed. [2018-12-02 17:07:38,144 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 366 377) no Hoare annotation was computed. [2018-12-02 17:07:38,144 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 366 377) the Hoare annotation is: (let ((.cse2 (< 1 |old(~waterLevel~0)|)) (.cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1)))) (and (or (and .cse0 .cse1) .cse2 (not (= 0 ~pumpRunning~0)) .cse3) (or .cse2 .cse4 .cse3 .cse0) (or (and (<= ~waterLevel~0 2) .cse1) (< 2 |old(~waterLevel~0)|) .cse4 .cse3))) [2018-12-02 17:07:38,144 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 959) no Hoare annotation was computed. [2018-12-02 17:07:38,144 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 955 962) no Hoare annotation was computed. [2018-12-02 17:07:38,144 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 955 962) the Hoare annotation is: true [2018-12-02 17:07:38,145 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 955 962) no Hoare annotation was computed. [2018-12-02 17:07:38,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 05:07:38 BoogieIcfgContainer [2018-12-02 17:07:38,155 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 17:07:38,155 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 17:07:38,155 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 17:07:38,155 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 17:07:38,155 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:07:29" (3/4) ... [2018-12-02 17:07:38,158 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 17:07:38,164 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-02 17:07:38,164 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-02 17:07:38,164 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 17:07:38,164 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-02 17:07:38,164 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-02 17:07:38,164 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-02 17:07:38,164 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-02 17:07:38,164 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-02 17:07:38,164 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-02 17:07:38,164 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-02 17:07:38,164 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-02 17:07:38,164 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-02 17:07:38,165 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-02 17:07:38,165 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 17:07:38,165 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-02 17:07:38,165 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-02 17:07:38,165 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-02 17:07:38,165 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-02 17:07:38,165 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-02 17:07:38,165 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-02 17:07:38,165 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-02 17:07:38,165 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification3_spec__1 [2018-12-02 17:07:38,165 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-02 17:07:38,165 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-02 17:07:38,166 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 17:07:38,166 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-02 17:07:38,166 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-02 17:07:38,172 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2018-12-02 17:07:38,172 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-02 17:07:38,173 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-02 17:07:38,173 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-02 17:07:38,173 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 17:07:38,174 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 17:07:38,192 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((waterLevel <= 2 && pumpRunning == 1) && splverifierCounter == 0) || !(systemActive == 1)) || !(0 == \old(pumpRunning))) || ((0 == pumpRunning && waterLevel <= 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-02 17:07:38,192 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-02 17:07:38,221 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7a6d44c7-ab20-4410-8f8a-c38978bfd0f9/bin-2019/uautomizer/witness.graphml [2018-12-02 17:07:38,221 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 17:07:38,222 INFO L168 Benchmark]: Toolchain (without parser) took 9506.17 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 317.7 MB). Free memory was 946.3 MB in the beginning and 822.9 MB in the end (delta: 123.4 MB). Peak memory consumption was 441.1 MB. Max. memory is 11.5 GB. [2018-12-02 17:07:38,222 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 971.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 17:07:38,223 INFO L168 Benchmark]: CACSL2BoogieTranslator took 302.39 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -160.4 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2018-12-02 17:07:38,223 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.79 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 17:07:38,223 INFO L168 Benchmark]: Boogie Preprocessor took 21.62 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-02 17:07:38,223 INFO L168 Benchmark]: RCFGBuilder took 304.70 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 47.6 MB). Peak memory consumption was 47.6 MB. Max. memory is 11.5 GB. [2018-12-02 17:07:38,223 INFO L168 Benchmark]: TraceAbstraction took 8787.24 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 200.3 MB). Free memory was 1.1 GB in the beginning and 832.3 MB in the end (delta: 221.5 MB). Peak memory consumption was 431.2 MB. Max. memory is 11.5 GB. [2018-12-02 17:07:38,224 INFO L168 Benchmark]: Witness Printer took 66.59 ms. Allocated memory is still 1.3 GB. Free memory was 832.3 MB in the beginning and 822.9 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 11.5 GB. [2018-12-02 17:07:38,225 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 971.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 302.39 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -160.4 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.79 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.62 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 304.70 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 47.6 MB). Peak memory consumption was 47.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8787.24 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 200.3 MB). Free memory was 1.1 GB in the beginning and 832.3 MB in the end (delta: 221.5 MB). Peak memory consumption was 431.2 MB. Max. memory is 11.5 GB. * Witness Printer took 66.59 ms. Allocated memory is still 1.3 GB. Free memory was 832.3 MB in the beginning and 822.9 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 959]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: ((((((waterLevel <= 2 && pumpRunning == 1) && splverifierCounter == 0) || !(systemActive == 1)) || !(0 == \old(pumpRunning))) || ((0 == pumpRunning && waterLevel <= 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 870]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 28 procedures, 147 locations, 1 error locations. SAFE Result, 8.7s OverallTime, 12 OverallIterations, 2 TraceHistogramMax, 3.4s AutomataDifference, 0.0s DeadEndRemovalTime, 3.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 1999 SDtfs, 1960 SDslu, 6794 SDs, 0 SdLazy, 5073 SolverSat, 1027 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 443 GetRequests, 319 SyntacticMatches, 2 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 546 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=729occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 12 MinimizatonAttempts, 125 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 60 LocationsWithAnnotation, 2210 PreInvPairs, 2719 NumberOfFragments, 1564 HoareAnnotationTreeSize, 2210 FomulaSimplifications, 11003 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 60 FomulaSimplificationsInter, 29895 FormulaSimplificationTreeSizeReductionInter, 3.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 1305 NumberOfCodeBlocks, 1305 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1291 ConstructedInterpolants, 0 QuantifiedInterpolants, 221206 SizeOfPredicates, 11 NumberOfNonLiveVariables, 1645 ConjunctsInSsa, 35 ConjunctsInUnsatCore, 14 InterpolantComputations, 11 PerfectInterpolantSequences, 84/96 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...