./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product60_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c075240a-f0b6-419a-a24d-35973c37e3bd/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c075240a-f0b6-419a-a24d-35973c37e3bd/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c075240a-f0b6-419a-a24d-35973c37e3bd/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c075240a-f0b6-419a-a24d-35973c37e3bd/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product60_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c075240a-f0b6-419a-a24d-35973c37e3bd/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c075240a-f0b6-419a-a24d-35973c37e3bd/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 e5628f313afbfffa53e61454ca424855ee3b0eb7 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 12:09:53,191 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 12:09:53,192 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 12:09:53,200 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 12:09:53,200 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 12:09:53,200 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 12:09:53,201 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 12:09:53,202 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 12:09:53,203 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 12:09:53,204 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 12:09:53,204 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 12:09:53,205 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 12:09:53,205 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 12:09:53,206 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 12:09:53,207 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 12:09:53,207 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 12:09:53,208 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 12:09:53,209 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 12:09:53,211 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 12:09:53,212 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 12:09:53,212 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 12:09:53,213 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 12:09:53,215 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 12:09:53,215 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 12:09:53,215 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 12:09:53,216 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 12:09:53,217 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 12:09:53,217 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 12:09:53,218 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 12:09:53,218 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 12:09:53,219 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 12:09:53,219 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 12:09:53,219 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 12:09:53,219 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 12:09:53,220 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 12:09:53,220 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 12:09:53,221 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c075240a-f0b6-419a-a24d-35973c37e3bd/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 12:09:53,231 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 12:09:53,231 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 12:09:53,231 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 12:09:53,231 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 12:09:53,232 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 12:09:53,232 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 12:09:53,232 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 12:09:53,232 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 12:09:53,232 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 12:09:53,232 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 12:09:53,233 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 12:09:53,233 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 12:09:53,233 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 12:09:53,233 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 12:09:53,233 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 12:09:53,233 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 12:09:53,233 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 12:09:53,233 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 12:09:53,233 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 12:09:53,234 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 12:09:53,234 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 12:09:53,234 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 12:09:53,234 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 12:09:53,234 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 12:09:53,234 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 12:09:53,234 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 12:09:53,234 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 12:09:53,235 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 12:09:53,235 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 12:09:53,235 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 12:09:53,235 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_c075240a-f0b6-419a-a24d-35973c37e3bd/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 -> e5628f313afbfffa53e61454ca424855ee3b0eb7 [2018-11-28 12:09:53,258 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 12:09:53,267 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 12:09:53,269 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 12:09:53,271 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 12:09:53,271 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 12:09:53,271 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c075240a-f0b6-419a-a24d-35973c37e3bd/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product60_true-unreach-call_false-termination.cil.c [2018-11-28 12:09:53,317 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c075240a-f0b6-419a-a24d-35973c37e3bd/bin-2019/uautomizer/data/66bdf5aaa/6e29521baeb74969a1188938e89f3794/FLAG5f8732dfa [2018-11-28 12:09:53,691 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 12:09:53,691 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c075240a-f0b6-419a-a24d-35973c37e3bd/sv-benchmarks/c/product-lines/minepump_spec4_product60_true-unreach-call_false-termination.cil.c [2018-11-28 12:09:53,701 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c075240a-f0b6-419a-a24d-35973c37e3bd/bin-2019/uautomizer/data/66bdf5aaa/6e29521baeb74969a1188938e89f3794/FLAG5f8732dfa [2018-11-28 12:09:54,081 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c075240a-f0b6-419a-a24d-35973c37e3bd/bin-2019/uautomizer/data/66bdf5aaa/6e29521baeb74969a1188938e89f3794 [2018-11-28 12:09:54,083 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 12:09:54,085 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 12:09:54,086 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 12:09:54,086 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 12:09:54,088 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 12:09:54,089 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:09:54" (1/1) ... [2018-11-28 12:09:54,091 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f029b29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:09:54, skipping insertion in model container [2018-11-28 12:09:54,091 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:09:54" (1/1) ... [2018-11-28 12:09:54,096 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 12:09:54,127 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 12:09:54,316 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:09:54,327 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 12:09:54,439 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:09:54,462 INFO L195 MainTranslator]: Completed translation [2018-11-28 12:09:54,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:09:54 WrapperNode [2018-11-28 12:09:54,463 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 12:09:54,464 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 12:09:54,464 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 12:09:54,464 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 12:09:54,472 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:09:54" (1/1) ... [2018-11-28 12:09:54,484 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:09:54" (1/1) ... [2018-11-28 12:09:54,490 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 12:09:54,491 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 12:09:54,491 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 12:09:54,491 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 12:09:54,499 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:09:54" (1/1) ... [2018-11-28 12:09:54,499 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:09:54" (1/1) ... [2018-11-28 12:09:54,501 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:09:54" (1/1) ... [2018-11-28 12:09:54,502 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:09:54" (1/1) ... [2018-11-28 12:09:54,512 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:09:54" (1/1) ... [2018-11-28 12:09:54,518 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:09:54" (1/1) ... [2018-11-28 12:09:54,521 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:09:54" (1/1) ... [2018-11-28 12:09:54,523 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 12:09:54,524 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 12:09:54,524 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 12:09:54,524 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 12:09:54,525 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:09:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c075240a-f0b6-419a-a24d-35973c37e3bd/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 [2018-11-28 12:09:54,572 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 12:09:54,572 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 12:09:54,572 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-28 12:09:54,572 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-28 12:09:54,572 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 12:09:54,572 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 12:09:54,572 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-28 12:09:54,573 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-28 12:09:54,573 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-28 12:09:54,573 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-28 12:09:54,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 12:09:54,573 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 12:09:54,573 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 12:09:54,573 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-28 12:09:54,573 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-28 12:09:54,574 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 12:09:54,574 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 12:09:54,574 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 12:09:54,574 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 12:09:54,574 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 12:09:54,574 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 12:09:54,574 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-28 12:09:54,575 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-28 12:09:54,575 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-28 12:09:54,575 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-28 12:09:54,575 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-28 12:09:54,575 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-28 12:09:54,575 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-28 12:09:54,575 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-28 12:09:54,575 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-28 12:09:54,575 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-28 12:09:54,576 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 12:09:54,576 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 12:09:54,576 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 12:09:54,576 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 12:09:54,576 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 12:09:54,576 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 12:09:54,576 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 12:09:54,576 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 12:09:54,577 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-28 12:09:54,577 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-28 12:09:54,577 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 12:09:54,577 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 12:09:54,577 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 12:09:54,577 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 12:09:54,577 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 12:09:54,577 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 12:09:54,577 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 12:09:54,578 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 12:09:54,578 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 12:09:54,578 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 12:09:54,578 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 12:09:54,578 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 12:09:54,578 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-28 12:09:54,578 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-28 12:09:54,578 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 12:09:54,579 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 12:09:54,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 12:09:54,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 12:09:54,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 12:09:54,579 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 12:09:54,579 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 12:09:54,579 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 12:09:54,579 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 12:09:54,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 12:09:54,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 12:09:54,995 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 12:09:54,995 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 12:09:54,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:09:54 BoogieIcfgContainer [2018-11-28 12:09:54,995 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 12:09:54,996 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 12:09:54,996 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 12:09:55,000 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 12:09:55,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:09:54" (1/3) ... [2018-11-28 12:09:55,001 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bf8fbff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:09:55, skipping insertion in model container [2018-11-28 12:09:55,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:09:54" (2/3) ... [2018-11-28 12:09:55,001 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bf8fbff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:09:55, skipping insertion in model container [2018-11-28 12:09:55,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:09:54" (3/3) ... [2018-11-28 12:09:55,003 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product60_true-unreach-call_false-termination.cil.c [2018-11-28 12:09:55,012 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 12:09:55,019 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 12:09:55,032 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 12:09:55,057 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 12:09:55,057 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 12:09:55,057 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 12:09:55,057 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 12:09:55,057 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 12:09:55,057 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 12:09:55,057 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 12:09:55,057 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 12:09:55,058 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 12:09:55,073 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states. [2018-11-28 12:09:55,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-28 12:09:55,078 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:09:55,079 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] [2018-11-28 12:09:55,080 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:09:55,084 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:09:55,084 INFO L82 PathProgramCache]: Analyzing trace with hash -216920679, now seen corresponding path program 1 times [2018-11-28 12:09:55,085 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:09:55,086 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:09:55,117 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:09:55,117 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:09:55,117 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:09:55,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:09:55,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:09:55,270 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:09:55,270 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 12:09:55,273 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 12:09:55,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 12:09:55,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 12:09:55,285 INFO L87 Difference]: Start difference. First operand 166 states. Second operand 2 states. [2018-11-28 12:09:55,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:09:55,316 INFO L93 Difference]: Finished difference Result 306 states and 373 transitions. [2018-11-28 12:09:55,316 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 12:09:55,317 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-28 12:09:55,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:09:55,327 INFO L225 Difference]: With dead ends: 306 [2018-11-28 12:09:55,328 INFO L226 Difference]: Without dead ends: 153 [2018-11-28 12:09:55,330 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 [2018-11-28 12:09:55,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2018-11-28 12:09:55,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2018-11-28 12:09:55,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2018-11-28 12:09:55,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 178 transitions. [2018-11-28 12:09:55,366 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 178 transitions. Word has length 46 [2018-11-28 12:09:55,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:09:55,366 INFO L480 AbstractCegarLoop]: Abstraction has 153 states and 178 transitions. [2018-11-28 12:09:55,366 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 12:09:55,366 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 178 transitions. [2018-11-28 12:09:55,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-28 12:09:55,368 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:09:55,368 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] [2018-11-28 12:09:55,368 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:09:55,369 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:09:55,369 INFO L82 PathProgramCache]: Analyzing trace with hash 384858318, now seen corresponding path program 1 times [2018-11-28 12:09:55,369 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:09:55,369 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:09:55,370 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:09:55,370 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:09:55,370 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:09:55,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:09:55,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:09:55,449 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:09:55,449 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 12:09:55,450 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 12:09:55,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 12:09:55,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:09:55,451 INFO L87 Difference]: Start difference. First operand 153 states and 178 transitions. Second operand 3 states. [2018-11-28 12:09:55,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:09:55,471 INFO L93 Difference]: Finished difference Result 245 states and 283 transitions. [2018-11-28 12:09:55,473 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 12:09:55,473 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-28 12:09:55,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:09:55,474 INFO L225 Difference]: With dead ends: 245 [2018-11-28 12:09:55,475 INFO L226 Difference]: Without dead ends: 144 [2018-11-28 12:09:55,476 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 [2018-11-28 12:09:55,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2018-11-28 12:09:55,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2018-11-28 12:09:55,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2018-11-28 12:09:55,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 166 transitions. [2018-11-28 12:09:55,488 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 166 transitions. Word has length 47 [2018-11-28 12:09:55,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:09:55,488 INFO L480 AbstractCegarLoop]: Abstraction has 144 states and 166 transitions. [2018-11-28 12:09:55,488 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 12:09:55,488 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 166 transitions. [2018-11-28 12:09:55,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-28 12:09:55,490 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:09:55,490 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] [2018-11-28 12:09:55,490 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:09:55,490 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:09:55,490 INFO L82 PathProgramCache]: Analyzing trace with hash -1912552053, now seen corresponding path program 1 times [2018-11-28 12:09:55,490 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:09:55,490 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:09:55,491 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:09:55,491 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:09:55,491 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:09:55,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:09:55,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:09:55,602 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:09:55,602 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 12:09:55,602 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 12:09:55,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 12:09:55,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 12:09:55,603 INFO L87 Difference]: Start difference. First operand 144 states and 166 transitions. Second operand 7 states. [2018-11-28 12:09:56,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:09:56,100 INFO L93 Difference]: Finished difference Result 434 states and 518 transitions. [2018-11-28 12:09:56,101 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 12:09:56,101 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-11-28 12:09:56,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:09:56,104 INFO L225 Difference]: With dead ends: 434 [2018-11-28 12:09:56,104 INFO L226 Difference]: Without dead ends: 314 [2018-11-28 12:09:56,105 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-28 12:09:56,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2018-11-28 12:09:56,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 302. [2018-11-28 12:09:56,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 302 states. [2018-11-28 12:09:56,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 360 transitions. [2018-11-28 12:09:56,132 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 360 transitions. Word has length 52 [2018-11-28 12:09:56,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:09:56,132 INFO L480 AbstractCegarLoop]: Abstraction has 302 states and 360 transitions. [2018-11-28 12:09:56,132 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 12:09:56,132 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 360 transitions. [2018-11-28 12:09:56,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-28 12:09:56,134 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:09:56,134 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] [2018-11-28 12:09:56,137 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:09:56,137 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:09:56,138 INFO L82 PathProgramCache]: Analyzing trace with hash -801889334, now seen corresponding path program 1 times [2018-11-28 12:09:56,138 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:09:56,138 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:09:56,138 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:09:56,139 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:09:56,139 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:09:56,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:09:56,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:09:56,247 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:09:56,247 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-28 12:09:56,248 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-28 12:09:56,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-28 12:09:56,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-28 12:09:56,248 INFO L87 Difference]: Start difference. First operand 302 states and 360 transitions. Second operand 10 states. [2018-11-28 12:09:56,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:09:56,720 INFO L93 Difference]: Finished difference Result 1088 states and 1388 transitions. [2018-11-28 12:09:56,721 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-28 12:09:56,721 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 57 [2018-11-28 12:09:56,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:09:56,726 INFO L225 Difference]: With dead ends: 1088 [2018-11-28 12:09:56,726 INFO L226 Difference]: Without dead ends: 810 [2018-11-28 12:09:56,728 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-11-28 12:09:56,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 810 states. [2018-11-28 12:09:56,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 810 to 798. [2018-11-28 12:09:56,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 798 states. [2018-11-28 12:09:56,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 798 states and 984 transitions. [2018-11-28 12:09:56,774 INFO L78 Accepts]: Start accepts. Automaton has 798 states and 984 transitions. Word has length 57 [2018-11-28 12:09:56,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:09:56,775 INFO L480 AbstractCegarLoop]: Abstraction has 798 states and 984 transitions. [2018-11-28 12:09:56,775 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-28 12:09:56,775 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 984 transitions. [2018-11-28 12:09:56,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-28 12:09:56,777 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:09:56,777 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] [2018-11-28 12:09:56,777 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:09:56,778 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:09:56,778 INFO L82 PathProgramCache]: Analyzing trace with hash -1294991664, now seen corresponding path program 1 times [2018-11-28 12:09:56,778 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:09:56,778 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:09:56,780 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:09:56,780 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:09:56,780 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:09:56,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:09:56,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:09:56,846 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:09:56,846 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 12:09:56,846 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 12:09:56,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 12:09:56,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 12:09:56,847 INFO L87 Difference]: Start difference. First operand 798 states and 984 transitions. Second operand 4 states. [2018-11-28 12:09:57,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:09:57,055 INFO L93 Difference]: Finished difference Result 1977 states and 2649 transitions. [2018-11-28 12:09:57,058 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 12:09:57,058 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2018-11-28 12:09:57,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:09:57,062 INFO L225 Difference]: With dead ends: 1977 [2018-11-28 12:09:57,062 INFO L226 Difference]: Without dead ends: 1203 [2018-11-28 12:09:57,064 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 12:09:57,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1203 states. [2018-11-28 12:09:57,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1203 to 1065. [2018-11-28 12:09:57,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1065 states. [2018-11-28 12:09:57,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1065 states to 1065 states and 1322 transitions. [2018-11-28 12:09:57,112 INFO L78 Accepts]: Start accepts. Automaton has 1065 states and 1322 transitions. Word has length 61 [2018-11-28 12:09:57,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:09:57,112 INFO L480 AbstractCegarLoop]: Abstraction has 1065 states and 1322 transitions. [2018-11-28 12:09:57,112 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 12:09:57,112 INFO L276 IsEmpty]: Start isEmpty. Operand 1065 states and 1322 transitions. [2018-11-28 12:09:57,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-28 12:09:57,114 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:09:57,114 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, 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] [2018-11-28 12:09:57,115 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:09:57,115 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:09:57,115 INFO L82 PathProgramCache]: Analyzing trace with hash 42536157, now seen corresponding path program 1 times [2018-11-28 12:09:57,115 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:09:57,115 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:09:57,116 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:09:57,116 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:09:57,116 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:09:57,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:09:57,196 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-28 12:09:57,196 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:09:57,196 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c075240a-f0b6-419a-a24d-35973c37e3bd/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 [2018-11-28 12:09:57,224 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:09:57,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:09:57,302 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:09:57,374 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-28 12:09:57,391 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 12:09:57,392 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2018-11-28 12:09:57,392 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-28 12:09:57,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-28 12:09:57,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2018-11-28 12:09:57,393 INFO L87 Difference]: Start difference. First operand 1065 states and 1322 transitions. Second operand 12 states. [2018-11-28 12:09:59,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:09:59,613 INFO L93 Difference]: Finished difference Result 2501 states and 3349 transitions. [2018-11-28 12:09:59,613 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-11-28 12:09:59,613 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 89 [2018-11-28 12:09:59,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:09:59,618 INFO L225 Difference]: With dead ends: 2501 [2018-11-28 12:09:59,618 INFO L226 Difference]: Without dead ends: 1738 [2018-11-28 12:09:59,620 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 826 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=535, Invalid=2327, Unknown=0, NotChecked=0, Total=2862 [2018-11-28 12:09:59,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1738 states. [2018-11-28 12:09:59,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1738 to 1527. [2018-11-28 12:09:59,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1527 states. [2018-11-28 12:09:59,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1527 states to 1527 states and 1917 transitions. [2018-11-28 12:09:59,679 INFO L78 Accepts]: Start accepts. Automaton has 1527 states and 1917 transitions. Word has length 89 [2018-11-28 12:09:59,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:09:59,680 INFO L480 AbstractCegarLoop]: Abstraction has 1527 states and 1917 transitions. [2018-11-28 12:09:59,680 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-28 12:09:59,680 INFO L276 IsEmpty]: Start isEmpty. Operand 1527 states and 1917 transitions. [2018-11-28 12:09:59,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-28 12:09:59,683 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:09:59,684 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, 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, 1, 1, 1] [2018-11-28 12:09:59,684 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:09:59,684 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:09:59,684 INFO L82 PathProgramCache]: Analyzing trace with hash -1933970932, now seen corresponding path program 1 times [2018-11-28 12:09:59,684 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:09:59,684 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:09:59,685 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:09:59,685 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:09:59,685 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:09:59,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:09:59,763 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-28 12:09:59,763 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:09:59,763 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c075240a-f0b6-419a-a24d-35973c37e3bd/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 [2018-11-28 12:09:59,775 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:09:59,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:09:59,849 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:09:59,867 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-28 12:09:59,883 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 12:09:59,883 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 6 [2018-11-28 12:09:59,884 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 12:09:59,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 12:09:59,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 12:09:59,884 INFO L87 Difference]: Start difference. First operand 1527 states and 1917 transitions. Second operand 6 states. [2018-11-28 12:09:59,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:09:59,977 INFO L93 Difference]: Finished difference Result 3086 states and 4076 transitions. [2018-11-28 12:09:59,978 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 12:09:59,978 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 149 [2018-11-28 12:09:59,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:09:59,982 INFO L225 Difference]: With dead ends: 3086 [2018-11-28 12:09:59,985 INFO L226 Difference]: Without dead ends: 1583 [2018-11-28 12:09:59,987 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 147 SyntacticMatches, 3 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-28 12:09:59,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1583 states. [2018-11-28 12:10:00,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1583 to 1567. [2018-11-28 12:10:00,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1567 states. [2018-11-28 12:10:00,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1567 states to 1567 states and 1961 transitions. [2018-11-28 12:10:00,038 INFO L78 Accepts]: Start accepts. Automaton has 1567 states and 1961 transitions. Word has length 149 [2018-11-28 12:10:00,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:10:00,038 INFO L480 AbstractCegarLoop]: Abstraction has 1567 states and 1961 transitions. [2018-11-28 12:10:00,038 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 12:10:00,039 INFO L276 IsEmpty]: Start isEmpty. Operand 1567 states and 1961 transitions. [2018-11-28 12:10:00,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-28 12:10:00,041 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:10:00,041 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, 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, 1, 1, 1] [2018-11-28 12:10:00,041 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:10:00,041 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:10:00,041 INFO L82 PathProgramCache]: Analyzing trace with hash -902930034, now seen corresponding path program 1 times [2018-11-28 12:10:00,042 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:10:00,042 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:10:00,042 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:10:00,042 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:10:00,043 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:10:00,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:10:00,119 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-28 12:10:00,119 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:10:00,119 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c075240a-f0b6-419a-a24d-35973c37e3bd/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 12:10:00,126 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:10:00,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:10:00,198 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:10:00,235 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-28 12:10:00,251 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 12:10:00,251 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2018-11-28 12:10:00,251 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-28 12:10:00,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-28 12:10:00,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-11-28 12:10:00,252 INFO L87 Difference]: Start difference. First operand 1567 states and 1961 transitions. Second operand 11 states. [2018-11-28 12:10:00,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:10:00,337 INFO L93 Difference]: Finished difference Result 2843 states and 3660 transitions. [2018-11-28 12:10:00,338 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 12:10:00,338 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 149 [2018-11-28 12:10:00,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:10:00,343 INFO L225 Difference]: With dead ends: 2843 [2018-11-28 12:10:00,343 INFO L226 Difference]: Without dead ends: 1300 [2018-11-28 12:10:00,347 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-11-28 12:10:00,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1300 states. [2018-11-28 12:10:00,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1300 to 1300. [2018-11-28 12:10:00,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1300 states. [2018-11-28 12:10:00,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1300 states to 1300 states and 1629 transitions. [2018-11-28 12:10:00,421 INFO L78 Accepts]: Start accepts. Automaton has 1300 states and 1629 transitions. Word has length 149 [2018-11-28 12:10:00,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:10:00,421 INFO L480 AbstractCegarLoop]: Abstraction has 1300 states and 1629 transitions. [2018-11-28 12:10:00,421 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-28 12:10:00,421 INFO L276 IsEmpty]: Start isEmpty. Operand 1300 states and 1629 transitions. [2018-11-28 12:10:00,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-28 12:10:00,424 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:10:00,424 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:10:00,424 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:10:00,424 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:10:00,425 INFO L82 PathProgramCache]: Analyzing trace with hash 1295809301, now seen corresponding path program 1 times [2018-11-28 12:10:00,425 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:10:00,425 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:10:00,425 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:10:00,425 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:10:00,426 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:10:00,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:10:00,541 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-28 12:10:00,541 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:10:00,541 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c075240a-f0b6-419a-a24d-35973c37e3bd/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 12:10:00,554 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:10:00,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:10:00,644 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:10:00,724 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:10:00,739 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 12:10:00,740 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 14 [2018-11-28 12:10:00,740 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-28 12:10:00,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-28 12:10:00,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2018-11-28 12:10:00,741 INFO L87 Difference]: Start difference. First operand 1300 states and 1629 transitions. Second operand 14 states. [2018-11-28 12:10:02,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:10:02,143 INFO L93 Difference]: Finished difference Result 2928 states and 3979 transitions. [2018-11-28 12:10:02,144 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-11-28 12:10:02,144 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 153 [2018-11-28 12:10:02,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:10:02,149 INFO L225 Difference]: With dead ends: 2928 [2018-11-28 12:10:02,150 INFO L226 Difference]: Without dead ends: 1811 [2018-11-28 12:10:02,152 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 208 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=206, Invalid=850, Unknown=0, NotChecked=0, Total=1056 [2018-11-28 12:10:02,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1811 states. [2018-11-28 12:10:02,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1811 to 1500. [2018-11-28 12:10:02,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1500 states. [2018-11-28 12:10:02,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1500 states to 1500 states and 1863 transitions. [2018-11-28 12:10:02,211 INFO L78 Accepts]: Start accepts. Automaton has 1500 states and 1863 transitions. Word has length 153 [2018-11-28 12:10:02,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:10:02,212 INFO L480 AbstractCegarLoop]: Abstraction has 1500 states and 1863 transitions. [2018-11-28 12:10:02,212 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-28 12:10:02,212 INFO L276 IsEmpty]: Start isEmpty. Operand 1500 states and 1863 transitions. [2018-11-28 12:10:02,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-11-28 12:10:02,215 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:10:02,215 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-28 12:10:02,216 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:10:02,216 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:10:02,216 INFO L82 PathProgramCache]: Analyzing trace with hash 1066589445, now seen corresponding path program 1 times [2018-11-28 12:10:02,216 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:10:02,216 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:10:02,217 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:10:02,217 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:10:02,217 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:10:02,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:10:02,337 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 41 proven. 8 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2018-11-28 12:10:02,337 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:10:02,337 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c075240a-f0b6-419a-a24d-35973c37e3bd/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 12:10:02,347 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:10:02,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:10:02,426 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:10:02,479 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-28 12:10:02,495 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 12:10:02,495 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2018-11-28 12:10:02,496 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-28 12:10:02,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-28 12:10:02,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-11-28 12:10:02,496 INFO L87 Difference]: Start difference. First operand 1500 states and 1863 transitions. Second operand 13 states. [2018-11-28 12:10:02,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:10:02,555 INFO L93 Difference]: Finished difference Result 2025 states and 2507 transitions. [2018-11-28 12:10:02,556 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 12:10:02,556 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 207 [2018-11-28 12:10:02,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:10:02,557 INFO L225 Difference]: With dead ends: 2025 [2018-11-28 12:10:02,557 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 12:10:02,560 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2018-11-28 12:10:02,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 12:10:02,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 12:10:02,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 12:10:02,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 12:10:02,561 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 207 [2018-11-28 12:10:02,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:10:02,561 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 12:10:02,561 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-28 12:10:02,561 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 12:10:02,561 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 12:10:02,564 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 12:10:02,600 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:10:02,618 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:10:02,619 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:10:02,621 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:10:02,621 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:10:02,631 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:10:02,632 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:10:02,635 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:10:02,637 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:10:02,639 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:10:02,641 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:10:02,762 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:10:02,762 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:10:02,764 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:10:02,769 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:10:02,772 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:10:02,773 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:10:02,773 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:10:02,774 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:10:02,775 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:10:02,830 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:10:02,834 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:10:02,838 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:10:02,841 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:10:02,843 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:10:02,845 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:10:02,860 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:10:02,864 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:10:02,864 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:10:02,869 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:10:02,871 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:10:02,872 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:10:02,873 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:10:02,874 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:10:02,890 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:10:02,895 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:10:02,898 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:10:02,966 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:10:02,976 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:10:02,977 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:10:02,979 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:10:02,980 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:10:03,015 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:10:03,549 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 27 [2018-11-28 12:10:04,398 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-11-28 12:10:04,398 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-11-28 12:10:04,398 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-11-28 12:10:04,398 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-11-28 12:10:04,398 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-11-28 12:10:04,398 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 548 572) the Hoare annotation is: true [2018-11-28 12:10:04,398 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 548 572) no Hoare annotation was computed. [2018-11-28 12:10:04,398 INFO L444 ceAbstractionStarter]: At program point L562(line 562) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (< ~waterLevel~0 2))) (and (or .cse0 (not (= ~waterLevel~0 1))) (or (= ~systemActive~0 0) .cse1) (or .cse0 .cse1))) [2018-11-28 12:10:04,399 INFO L448 ceAbstractionStarter]: For program point L560(lines 560 566) no Hoare annotation was computed. [2018-11-28 12:10:04,399 INFO L444 ceAbstractionStarter]: At program point L558(line 558) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (< ~waterLevel~0 2))) (and (or .cse0 (not (= ~waterLevel~0 1))) (or (= ~systemActive~0 0) .cse1) (or .cse0 .cse1))) [2018-11-28 12:10:04,399 INFO L448 ceAbstractionStarter]: For program point L558-1(line 558) no Hoare annotation was computed. [2018-11-28 12:10:04,399 INFO L448 ceAbstractionStarter]: For program point L556(lines 556 569) no Hoare annotation was computed. [2018-11-28 12:10:04,399 INFO L448 ceAbstractionStarter]: For program point L556-1(lines 548 572) no Hoare annotation was computed. [2018-11-28 12:10:04,399 INFO L451 ceAbstractionStarter]: At program point L554(line 554) the Hoare annotation is: true [2018-11-28 12:10:04,399 INFO L448 ceAbstractionStarter]: For program point L554-1(line 554) no Hoare annotation was computed. [2018-11-28 12:10:04,399 INFO L444 ceAbstractionStarter]: At program point L161(line 161) the Hoare annotation is: (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 12:10:04,399 INFO L444 ceAbstractionStarter]: At program point L161-1(line 161) the Hoare annotation is: (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 12:10:04,399 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 155 177) the Hoare annotation is: (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 12:10:04,399 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 155 177) no Hoare annotation was computed. [2018-11-28 12:10:04,399 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 155 177) no Hoare annotation was computed. [2018-11-28 12:10:04,399 INFO L444 ceAbstractionStarter]: At program point L167(line 167) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= main_~tmp~0 ~waterLevel~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-28 12:10:04,399 INFO L444 ceAbstractionStarter]: At program point L167-1(line 167) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= main_~tmp~0 ~waterLevel~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-28 12:10:04,399 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 172) no Hoare annotation was computed. [2018-11-28 12:10:04,399 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 165 172) no Hoare annotation was computed. [2018-11-28 12:10:04,399 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-28 12:10:04,399 INFO L444 ceAbstractionStarter]: At program point L162(line 162) the Hoare annotation is: (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 12:10:04,399 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 806 820) no Hoare annotation was computed. [2018-11-28 12:10:04,400 INFO L444 ceAbstractionStarter]: At program point L812(line 812) the Hoare annotation is: (and (or (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (= |old(~systemActive~0)| 0) (< ~waterLevel~0 2))) (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1))) [2018-11-28 12:10:04,400 INFO L448 ceAbstractionStarter]: For program point L810(lines 810 816) no Hoare annotation was computed. [2018-11-28 12:10:04,400 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 806 820) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (and (not (= ~systemActive~0 0)) .cse0) (or (= |old(~systemActive~0)| 0) (< ~waterLevel~0 2))) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1)))) [2018-11-28 12:10:04,400 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 806 820) no Hoare annotation was computed. [2018-11-28 12:10:04,400 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 723 731) no Hoare annotation was computed. [2018-11-28 12:10:04,400 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 723 731) the Hoare annotation is: true [2018-11-28 12:10:04,400 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 723 731) no Hoare annotation was computed. [2018-11-28 12:10:04,400 INFO L448 ceAbstractionStarter]: For program point L796(lines 796 800) no Hoare annotation was computed. [2018-11-28 12:10:04,400 INFO L451 ceAbstractionStarter]: At program point L794(line 794) the Hoare annotation is: true [2018-11-28 12:10:04,400 INFO L448 ceAbstractionStarter]: For program point L796-2(lines 796 800) no Hoare annotation was computed. [2018-11-28 12:10:04,400 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 787 805) the Hoare annotation is: true [2018-11-28 12:10:04,400 INFO L448 ceAbstractionStarter]: For program point L794-1(line 794) no Hoare annotation was computed. [2018-11-28 12:10:04,400 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 787 805) no Hoare annotation was computed. [2018-11-28 12:10:04,400 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 787 805) no Hoare annotation was computed. [2018-11-28 12:10:04,400 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-11-28 12:10:04,400 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-11-28 12:10:04,400 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 145 154) the Hoare annotation is: (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 12:10:04,400 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 145 154) no Hoare annotation was computed. [2018-11-28 12:10:04,400 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 145 154) no Hoare annotation was computed. [2018-11-28 12:10:04,400 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 712 722) the Hoare annotation is: true [2018-11-28 12:10:04,401 INFO L451 ceAbstractionStarter]: At program point L717(line 717) the Hoare annotation is: true [2018-11-28 12:10:04,401 INFO L448 ceAbstractionStarter]: For program point L717-1(line 717) no Hoare annotation was computed. [2018-11-28 12:10:04,401 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 712 722) no Hoare annotation was computed. [2018-11-28 12:10:04,401 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 712 722) no Hoare annotation was computed. [2018-11-28 12:10:04,401 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 704 711) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~systemActive~0 0) (< ~waterLevel~0 1)) [2018-11-28 12:10:04,401 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 704 711) no Hoare annotation was computed. [2018-11-28 12:10:04,401 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 704 711) no Hoare annotation was computed. [2018-11-28 12:10:04,401 INFO L448 ceAbstractionStarter]: For program point L982(lines 982 988) no Hoare annotation was computed. [2018-11-28 12:10:04,401 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 978 991) no Hoare annotation was computed. [2018-11-28 12:10:04,401 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 978 991) the Hoare annotation is: true [2018-11-28 12:10:04,401 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 978 991) no Hoare annotation was computed. [2018-11-28 12:10:04,401 INFO L444 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: (or (= ~systemActive~0 0) (and (= 0 ~pumpRunning~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (< ~waterLevel~0 1)) [2018-11-28 12:10:04,401 INFO L448 ceAbstractionStarter]: For program point L672-1(lines 653 677) no Hoare annotation was computed. [2018-11-28 12:10:04,401 INFO L444 ceAbstractionStarter]: At program point L667(line 667) the Hoare annotation is: (or (= ~systemActive~0 0) (< ~waterLevel~0 1)) [2018-11-28 12:10:04,401 INFO L444 ceAbstractionStarter]: At program point L663(line 663) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= processEnvironment_~tmp~6 1)) .cse0 .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2018-11-28 12:10:04,401 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 653 677) no Hoare annotation was computed. [2018-11-28 12:10:04,402 INFO L448 ceAbstractionStarter]: For program point L661(lines 661 669) no Hoare annotation was computed. [2018-11-28 12:10:04,402 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 653 677) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~systemActive~0 0) (< ~waterLevel~0 1)) [2018-11-28 12:10:04,402 INFO L444 ceAbstractionStarter]: At program point L659(line 659) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 .cse1))) [2018-11-28 12:10:04,402 INFO L448 ceAbstractionStarter]: For program point L659-1(line 659) no Hoare annotation was computed. [2018-11-28 12:10:04,402 INFO L448 ceAbstractionStarter]: For program point L657(lines 657 674) no Hoare annotation was computed. [2018-11-28 12:10:04,402 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 619 625) no Hoare annotation was computed. [2018-11-28 12:10:04,402 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 619 625) the Hoare annotation is: true [2018-11-28 12:10:04,402 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 830 897) the Hoare annotation is: (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 12:10:04,402 INFO L444 ceAbstractionStarter]: At program point L890(lines 839 891) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 12:10:04,402 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 830 897) no Hoare annotation was computed. [2018-11-28 12:10:04,402 INFO L444 ceAbstractionStarter]: At program point L880(line 880) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) .cse0 (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse0) (not (= |old(~waterLevel~0)| 1)))) [2018-11-28 12:10:04,403 INFO L448 ceAbstractionStarter]: For program point L878(lines 878 884) no Hoare annotation was computed. [2018-11-28 12:10:04,403 INFO L444 ceAbstractionStarter]: At program point L878-1(lines 870 885) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) .cse0 (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse0) (not (= |old(~waterLevel~0)| 1)))) [2018-11-28 12:10:04,403 INFO L448 ceAbstractionStarter]: For program point L841(lines 840 889) no Hoare annotation was computed. [2018-11-28 12:10:04,403 INFO L444 ceAbstractionStarter]: At program point L872(line 872) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0) (not (= |old(~systemActive~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0) (not (= |old(~waterLevel~0)| 1)))) [2018-11-28 12:10:04,403 INFO L448 ceAbstractionStarter]: For program point L870(lines 870 885) no Hoare annotation was computed. [2018-11-28 12:10:04,403 INFO L444 ceAbstractionStarter]: At program point L862(line 862) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) .cse0 (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse0) (not (= |old(~waterLevel~0)| 1)))) [2018-11-28 12:10:04,403 INFO L448 ceAbstractionStarter]: For program point L860(lines 860 866) no Hoare annotation was computed. [2018-11-28 12:10:04,403 INFO L448 ceAbstractionStarter]: For program point L860-1(lines 860 866) no Hoare annotation was computed. [2018-11-28 12:10:04,403 INFO L444 ceAbstractionStarter]: At program point L887(lines 840 889) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) .cse0 (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse0) (not (= |old(~waterLevel~0)| 1)))) [2018-11-28 12:10:04,403 INFO L444 ceAbstractionStarter]: At program point L852(line 852) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse0))) [2018-11-28 12:10:04,403 INFO L448 ceAbstractionStarter]: For program point L850(lines 850 856) no Hoare annotation was computed. [2018-11-28 12:10:04,403 INFO L448 ceAbstractionStarter]: For program point L850-1(lines 850 856) no Hoare annotation was computed. [2018-11-28 12:10:04,403 INFO L448 ceAbstractionStarter]: For program point L842(lines 842 846) no Hoare annotation was computed. [2018-11-28 12:10:04,403 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 830 897) no Hoare annotation was computed. [2018-11-28 12:10:04,404 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 678 685) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 12:10:04,404 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 678 685) no Hoare annotation was computed. [2018-11-28 12:10:04,404 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 678 685) no Hoare annotation was computed. [2018-11-28 12:10:04,404 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 992 1000) no Hoare annotation was computed. [2018-11-28 12:10:04,404 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 992 1000) the Hoare annotation is: true [2018-11-28 12:10:04,404 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 992 1000) no Hoare annotation was computed. [2018-11-28 12:10:04,404 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 12:10:04,404 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 12:10:04,404 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 12:10:04,404 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 687 703) no Hoare annotation was computed. [2018-11-28 12:10:04,404 INFO L444 ceAbstractionStarter]: At program point L698(line 698) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 12:10:04,404 INFO L448 ceAbstractionStarter]: For program point L698-1(lines 687 703) no Hoare annotation was computed. [2018-11-28 12:10:04,404 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 687 703) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 12:10:04,404 INFO L448 ceAbstractionStarter]: For program point L694(lines 694 700) no Hoare annotation was computed. [2018-11-28 12:10:04,404 INFO L444 ceAbstractionStarter]: At program point L692(line 692) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 12:10:04,404 INFO L448 ceAbstractionStarter]: For program point L692-1(line 692) no Hoare annotation was computed. [2018-11-28 12:10:04,404 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 768 786) no Hoare annotation was computed. [2018-11-28 12:10:04,404 INFO L448 ceAbstractionStarter]: For program point L777(lines 777 781) no Hoare annotation was computed. [2018-11-28 12:10:04,404 INFO L451 ceAbstractionStarter]: At program point L775(line 775) the Hoare annotation is: true [2018-11-28 12:10:04,404 INFO L448 ceAbstractionStarter]: For program point L777-2(lines 777 781) no Hoare annotation was computed. [2018-11-28 12:10:04,404 INFO L448 ceAbstractionStarter]: For program point L775-1(line 775) no Hoare annotation was computed. [2018-11-28 12:10:04,404 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 768 786) the Hoare annotation is: true [2018-11-28 12:10:04,404 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 768 786) no Hoare annotation was computed. [2018-11-28 12:10:04,404 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 969 977) the Hoare annotation is: true [2018-11-28 12:10:04,405 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 969 977) no Hoare annotation was computed. [2018-11-28 12:10:04,405 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 969 977) no Hoare annotation was computed. [2018-11-28 12:10:04,405 INFO L448 ceAbstractionStarter]: For program point L929-1(lines 925 936) no Hoare annotation was computed. [2018-11-28 12:10:04,405 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 925 936) the Hoare annotation is: true [2018-11-28 12:10:04,405 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 925 936) no Hoare annotation was computed. [2018-11-28 12:10:04,405 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 937 945) the Hoare annotation is: true [2018-11-28 12:10:04,405 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 937 945) no Hoare annotation was computed. [2018-11-28 12:10:04,405 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 937 945) no Hoare annotation was computed. [2018-11-28 12:10:04,405 INFO L444 ceAbstractionStarter]: At program point L608(line 608) the Hoare annotation is: (let ((.cse4 (= ~systemActive~0 0))) (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not .cse4)) (.cse2 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (< |old(~waterLevel~0)| 2))) (and (or .cse0 (and .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1))) (or .cse4 .cse5 (and (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse3)) (or (and .cse1 .cse2) .cse0 .cse5)))) [2018-11-28 12:10:04,405 INFO L444 ceAbstractionStarter]: At program point L606(lines 606 612) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (<= 2 ~waterLevel~0))) (and (let ((.cse2 (= ~waterLevel~0 |old(~waterLevel~0)|))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (not .cse1) .cse2) (< |old(~waterLevel~0)| 1) (and .cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (let ((.cse3 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (or .cse1 (< |old(~waterLevel~0)| 2) (and .cse0 .cse3) (and (= 0 ~pumpRunning~0) .cse3))))) [2018-11-28 12:10:04,405 INFO L444 ceAbstractionStarter]: At program point L601(line 601) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< |old(~waterLevel~0)| 2))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1))) (or .cse0 .cse1) (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (= ~systemActive~0 0) .cse1))) [2018-11-28 12:10:04,405 INFO L448 ceAbstractionStarter]: For program point L599(lines 598 617) no Hoare annotation was computed. [2018-11-28 12:10:04,405 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 595 618) the Hoare annotation is: (let ((.cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< |old(~waterLevel~0)| 1) .cse0) (or .cse0 (= ~systemActive~0 0) (< |old(~waterLevel~0)| 2)))) [2018-11-28 12:10:04,405 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 595 618) no Hoare annotation was computed. [2018-11-28 12:10:04,405 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 595 618) no Hoare annotation was computed. [2018-11-28 12:10:04,405 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 80 109) no Hoare annotation was computed. [2018-11-28 12:10:04,405 INFO L448 ceAbstractionStarter]: For program point L94(lines 94 98) no Hoare annotation was computed. [2018-11-28 12:10:04,405 INFO L451 ceAbstractionStarter]: At program point L94-1(lines 94 98) the Hoare annotation is: true [2018-11-28 12:10:04,405 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 80 109) the Hoare annotation is: true [2018-11-28 12:10:04,405 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-28 12:10:04,406 INFO L451 ceAbstractionStarter]: At program point L90-2(lines 90 104) the Hoare annotation is: true [2018-11-28 12:10:04,406 INFO L451 ceAbstractionStarter]: At program point L86(line 86) the Hoare annotation is: true [2018-11-28 12:10:04,406 INFO L448 ceAbstractionStarter]: For program point L86-1(line 86) no Hoare annotation was computed. [2018-11-28 12:10:04,406 INFO L451 ceAbstractionStarter]: At program point L105(lines 80 109) the Hoare annotation is: true [2018-11-28 12:10:04,406 INFO L448 ceAbstractionStarter]: For program point L101(line 101) no Hoare annotation was computed. [2018-11-28 12:10:04,406 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 901 912) the Hoare annotation is: (or (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 0) (< |old(~waterLevel~0)| 2)) [2018-11-28 12:10:04,406 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 901 912) no Hoare annotation was computed. [2018-11-28 12:10:04,406 INFO L448 ceAbstractionStarter]: For program point L905-1(lines 901 912) no Hoare annotation was computed. [2018-11-28 12:10:04,406 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 137 143) no Hoare annotation was computed. [2018-11-28 12:10:04,406 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 137 143) the Hoare annotation is: true [2018-11-28 12:10:04,406 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 12:10:04,406 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) [2018-11-28 12:10:04,406 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 12:10:04,406 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 12:10:04,406 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 821 828) no Hoare annotation was computed. [2018-11-28 12:10:04,406 INFO L451 ceAbstractionStarter]: At program point startSystemENTRY(lines 821 828) the Hoare annotation is: true [2018-11-28 12:10:04,406 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 821 828) no Hoare annotation was computed. [2018-11-28 12:10:04,406 INFO L444 ceAbstractionStarter]: At program point L641(line 641) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~5) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse1 (= ~systemActive~0 0))) (and (or (or .cse0 .cse1) .cse2 (< ~waterLevel~0 2)) (or .cse0 .cse2 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-28 12:10:04,406 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 627 651) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (= ~systemActive~0 0))) (and (or .cse0 (or .cse1 .cse2) (< ~waterLevel~0 2)) (or .cse1 .cse0 .cse2 (not (= ~waterLevel~0 1))))) [2018-11-28 12:10:04,406 INFO L444 ceAbstractionStarter]: At program point L637(line 637) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (< ~waterLevel~0 1) (and (<= 2 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-28 12:10:04,406 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 627 651) no Hoare annotation was computed. [2018-11-28 12:10:04,406 INFO L448 ceAbstractionStarter]: For program point L635(lines 635 643) no Hoare annotation was computed. [2018-11-28 12:10:04,407 INFO L444 ceAbstractionStarter]: At program point L633(line 633) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (= ~systemActive~0 0))) (and (or .cse0 (or .cse1 .cse2) (< ~waterLevel~0 2)) (or .cse1 .cse0 .cse2 (not (= ~waterLevel~0 1))))) [2018-11-28 12:10:04,407 INFO L448 ceAbstractionStarter]: For program point L633-1(line 633) no Hoare annotation was computed. [2018-11-28 12:10:04,407 INFO L448 ceAbstractionStarter]: For program point L631(lines 631 648) no Hoare annotation was computed. [2018-11-28 12:10:04,407 INFO L444 ceAbstractionStarter]: At program point L646(line 646) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (< ~waterLevel~0 1)) [2018-11-28 12:10:04,407 INFO L448 ceAbstractionStarter]: For program point L646-1(lines 627 651) no Hoare annotation was computed. [2018-11-28 12:10:04,407 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 913 924) no Hoare annotation was computed. [2018-11-28 12:10:04,407 INFO L448 ceAbstractionStarter]: For program point L917-1(lines 913 924) no Hoare annotation was computed. [2018-11-28 12:10:04,407 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 913 924) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 (< |old(~waterLevel~0)| 2) (= ~systemActive~0 0)) (or (not (= 0 ~pumpRunning~0)) (< |old(~waterLevel~0)| 1) .cse0))) [2018-11-28 12:10:04,407 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 578) no Hoare annotation was computed. [2018-11-28 12:10:04,407 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 574 581) no Hoare annotation was computed. [2018-11-28 12:10:04,407 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 574 581) the Hoare annotation is: true [2018-11-28 12:10:04,407 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 574 581) no Hoare annotation was computed. [2018-11-28 12:10:04,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 12:10:04 BoogieIcfgContainer [2018-11-28 12:10:04,417 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 12:10:04,418 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 12:10:04,418 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 12:10:04,418 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 12:10:04,418 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:09:54" (3/4) ... [2018-11-28 12:10:04,420 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 12:10:04,425 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 12:10:04,425 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 12:10:04,425 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-11-28 12:10:04,425 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 12:10:04,425 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-28 12:10:04,425 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 12:10:04,425 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-28 12:10:04,425 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 12:10:04,425 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 12:10:04,425 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-28 12:10:04,425 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 12:10:04,425 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-28 12:10:04,426 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 12:10:04,426 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-28 12:10:04,426 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 12:10:04,426 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-28 12:10:04,426 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-28 12:10:04,426 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 12:10:04,426 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-28 12:10:04,426 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-28 12:10:04,426 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-28 12:10:04,426 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 12:10:04,426 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-28 12:10:04,426 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 12:10:04,426 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 12:10:04,426 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 12:10:04,426 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 12:10:04,426 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-28 12:10:04,426 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 12:10:04,427 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 12:10:04,427 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 12:10:04,433 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-11-28 12:10:04,434 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-28 12:10:04,434 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-28 12:10:04,434 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-28 12:10:04,435 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 12:10:04,435 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 12:10:04,458 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(systemActive) == 1) || ((0 == pumpRunning && splverifierCounter == 0) && \old(waterLevel) <= waterLevel)) || !(0 == \old(pumpRunning))) || ((2 <= waterLevel && !(systemActive == 0)) && splverifierCounter == 0)) || !(\old(waterLevel) == 1) [2018-11-28 12:10:04,458 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-28 12:10:04,492 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c075240a-f0b6-419a-a24d-35973c37e3bd/bin-2019/uautomizer/witness.graphml [2018-11-28 12:10:04,492 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 12:10:04,493 INFO L168 Benchmark]: Toolchain (without parser) took 10408.64 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 356.0 MB). Free memory was 950.6 MB in the beginning and 1.0 GB in the end (delta: -51.9 MB). Peak memory consumption was 304.1 MB. Max. memory is 11.5 GB. [2018-11-28 12:10:04,493 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:10:04,493 INFO L168 Benchmark]: CACSL2BoogieTranslator took 377.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -168.7 MB). Peak memory consumption was 30.2 MB. Max. memory is 11.5 GB. [2018-11-28 12:10:04,493 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.07 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:10:04,494 INFO L168 Benchmark]: Boogie Preprocessor took 32.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-28 12:10:04,494 INFO L168 Benchmark]: RCFGBuilder took 471.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 46.6 MB). Peak memory consumption was 46.6 MB. Max. memory is 11.5 GB. [2018-11-28 12:10:04,494 INFO L168 Benchmark]: TraceAbstraction took 9421.25 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 226.0 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 54.4 MB). Peak memory consumption was 463.5 MB. Max. memory is 11.5 GB. [2018-11-28 12:10:04,494 INFO L168 Benchmark]: Witness Printer took 74.30 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 11.5 GB. [2018-11-28 12:10:04,496 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 377.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -168.7 MB). Peak memory consumption was 30.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.07 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 471.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 46.6 MB). Peak memory consumption was 46.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9421.25 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 226.0 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 54.4 MB). Peak memory consumption was 463.5 MB. Max. memory is 11.5 GB. * Witness Printer took 74.30 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 578]: 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: 840]: Loop Invariant Derived loop invariant: (((!(\old(systemActive) == 1) || ((0 == pumpRunning && splverifierCounter == 0) && \old(waterLevel) <= waterLevel)) || !(0 == \old(pumpRunning))) || ((2 <= waterLevel && !(systemActive == 0)) && splverifierCounter == 0)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 90]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 80]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 32 procedures, 166 locations, 1 error locations. SAFE Result, 9.3s OverallTime, 10 OverallIterations, 3 TraceHistogramMax, 5.1s AutomataDifference, 0.0s DeadEndRemovalTime, 1.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 1908 SDtfs, 2605 SDslu, 6240 SDs, 0 SdLazy, 5952 SolverSat, 1571 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 927 GetRequests, 785 SyntacticMatches, 4 SemanticMatches, 138 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1085 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1567occurred in iteration=7, 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: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 700 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 69 LocationsWithAnnotation, 3436 PreInvPairs, 3547 NumberOfFragments, 1060 HoareAnnotationTreeSize, 3436 FomulaSimplifications, 10378 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 69 FomulaSimplificationsInter, 9949 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1757 NumberOfCodeBlocks, 1757 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1742 ConstructedInterpolants, 0 QuantifiedInterpolants, 339640 SizeOfPredicates, 14 NumberOfNonLiveVariables, 4341 ConjunctsInSsa, 48 ConjunctsInUnsatCore, 15 InterpolantComputations, 8 PerfectInterpolantSequences, 409/446 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...