./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product59_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_96192533-b653-4422-89a5-5b703906c4e7/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_96192533-b653-4422-89a5-5b703906c4e7/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_96192533-b653-4422-89a5-5b703906c4e7/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_96192533-b653-4422-89a5-5b703906c4e7/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product59_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_96192533-b653-4422-89a5-5b703906c4e7/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_96192533-b653-4422-89a5-5b703906c4e7/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 5a35b365de7365eb1088366c2b8165f4a523d787 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 11:43:47,587 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 11:43:47,588 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 11:43:47,594 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 11:43:47,595 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 11:43:47,595 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 11:43:47,596 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 11:43:47,597 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 11:43:47,598 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 11:43:47,599 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 11:43:47,599 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 11:43:47,600 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 11:43:47,600 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 11:43:47,601 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 11:43:47,602 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 11:43:47,602 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 11:43:47,603 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 11:43:47,604 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 11:43:47,605 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 11:43:47,606 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 11:43:47,607 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 11:43:47,608 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 11:43:47,609 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 11:43:47,609 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 11:43:47,610 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 11:43:47,610 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 11:43:47,611 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 11:43:47,611 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 11:43:47,612 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 11:43:47,613 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 11:43:47,613 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 11:43:47,613 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 11:43:47,613 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 11:43:47,614 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 11:43:47,614 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 11:43:47,615 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 11:43:47,615 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_96192533-b653-4422-89a5-5b703906c4e7/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 11:43:47,624 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 11:43:47,625 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 11:43:47,625 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 11:43:47,625 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 11:43:47,626 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 11:43:47,626 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 11:43:47,626 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 11:43:47,626 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 11:43:47,626 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 11:43:47,627 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 11:43:47,627 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 11:43:47,627 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 11:43:47,627 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 11:43:47,627 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 11:43:47,627 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 11:43:47,627 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 11:43:47,628 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 11:43:47,628 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 11:43:47,628 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 11:43:47,628 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 11:43:47,628 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 11:43:47,628 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 11:43:47,629 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 11:43:47,629 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 11:43:47,629 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 11:43:47,629 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 11:43:47,629 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 11:43:47,629 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 11:43:47,630 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 11:43:47,630 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 11:43:47,630 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_96192533-b653-4422-89a5-5b703906c4e7/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 -> 5a35b365de7365eb1088366c2b8165f4a523d787 [2018-11-23 11:43:47,649 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 11:43:47,659 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 11:43:47,661 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 11:43:47,662 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 11:43:47,663 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 11:43:47,663 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_96192533-b653-4422-89a5-5b703906c4e7/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product59_true-unreach-call_false-termination.cil.c [2018-11-23 11:43:47,699 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_96192533-b653-4422-89a5-5b703906c4e7/bin-2019/uautomizer/data/866cb3b9f/63bb7049709a48618d1917ce7bc353e7/FLAG92af67045 [2018-11-23 11:43:48,125 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 11:43:48,126 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_96192533-b653-4422-89a5-5b703906c4e7/sv-benchmarks/c/product-lines/minepump_spec4_product59_true-unreach-call_false-termination.cil.c [2018-11-23 11:43:48,135 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_96192533-b653-4422-89a5-5b703906c4e7/bin-2019/uautomizer/data/866cb3b9f/63bb7049709a48618d1917ce7bc353e7/FLAG92af67045 [2018-11-23 11:43:48,143 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_96192533-b653-4422-89a5-5b703906c4e7/bin-2019/uautomizer/data/866cb3b9f/63bb7049709a48618d1917ce7bc353e7 [2018-11-23 11:43:48,144 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 11:43:48,145 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 11:43:48,146 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 11:43:48,146 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 11:43:48,149 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 11:43:48,149 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:43:48" (1/1) ... [2018-11-23 11:43:48,151 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44db1cb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:43:48, skipping insertion in model container [2018-11-23 11:43:48,152 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:43:48" (1/1) ... [2018-11-23 11:43:48,157 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 11:43:48,189 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 11:43:48,379 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 11:43:48,387 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 11:43:48,506 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 11:43:48,527 INFO L195 MainTranslator]: Completed translation [2018-11-23 11:43:48,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:43:48 WrapperNode [2018-11-23 11:43:48,528 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 11:43:48,528 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 11:43:48,528 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 11:43:48,529 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 11:43:48,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:43:48" (1/1) ... [2018-11-23 11:43:48,546 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:43:48" (1/1) ... [2018-11-23 11:43:48,551 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 11:43:48,552 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 11:43:48,552 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 11:43:48,552 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 11:43:48,557 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:43:48" (1/1) ... [2018-11-23 11:43:48,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:43:48" (1/1) ... [2018-11-23 11:43:48,560 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:43:48" (1/1) ... [2018-11-23 11:43:48,560 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:43:48" (1/1) ... [2018-11-23 11:43:48,569 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:43:48" (1/1) ... [2018-11-23 11:43:48,575 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:43:48" (1/1) ... [2018-11-23 11:43:48,577 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:43:48" (1/1) ... [2018-11-23 11:43:48,580 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 11:43:48,581 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 11:43:48,581 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 11:43:48,581 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 11:43:48,582 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:43:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_96192533-b653-4422-89a5-5b703906c4e7/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 [2018-11-23 11:43:48,621 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 11:43:48,621 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 11:43:48,621 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-23 11:43:48,621 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-23 11:43:48,622 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 11:43:48,622 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 11:43:48,622 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-23 11:43:48,622 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-23 11:43:48,622 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-23 11:43:48,622 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-23 11:43:48,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 11:43:48,622 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 11:43:48,622 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 11:43:48,623 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-23 11:43:48,623 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-23 11:43:48,623 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 11:43:48,623 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 11:43:48,623 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 11:43:48,623 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 11:43:48,623 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 11:43:48,623 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 11:43:48,623 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-23 11:43:48,624 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-23 11:43:48,624 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-23 11:43:48,624 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-23 11:43:48,624 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-23 11:43:48,624 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-23 11:43:48,624 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-23 11:43:48,624 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-23 11:43:48,624 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-23 11:43:48,624 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-23 11:43:48,624 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 11:43:48,625 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 11:43:48,625 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 11:43:48,625 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 11:43:48,625 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 11:43:48,625 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 11:43:48,625 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 11:43:48,625 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 11:43:48,625 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 11:43:48,625 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 11:43:48,625 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 11:43:48,625 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 11:43:48,626 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 11:43:48,626 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 11:43:48,626 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 11:43:48,626 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 11:43:48,626 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 11:43:48,626 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 11:43:48,626 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 11:43:48,626 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 11:43:48,626 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-23 11:43:48,626 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-23 11:43:48,627 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 11:43:48,627 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 11:43:48,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 11:43:48,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 11:43:48,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 11:43:48,627 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 11:43:48,627 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 11:43:48,627 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 11:43:48,627 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 11:43:48,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 11:43:48,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 11:43:49,059 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 11:43:49,060 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 11:43:49,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:43:49 BoogieIcfgContainer [2018-11-23 11:43:49,060 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 11:43:49,061 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 11:43:49,061 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 11:43:49,063 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 11:43:49,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:43:48" (1/3) ... [2018-11-23 11:43:49,064 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f25b702 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:43:49, skipping insertion in model container [2018-11-23 11:43:49,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:43:48" (2/3) ... [2018-11-23 11:43:49,065 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f25b702 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:43:49, skipping insertion in model container [2018-11-23 11:43:49,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:43:49" (3/3) ... [2018-11-23 11:43:49,066 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product59_true-unreach-call_false-termination.cil.c [2018-11-23 11:43:49,075 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 11:43:49,081 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 11:43:49,095 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 11:43:49,122 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 11:43:49,122 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 11:43:49,123 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 11:43:49,123 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 11:43:49,123 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 11:43:49,123 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 11:43:49,123 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 11:43:49,123 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 11:43:49,123 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 11:43:49,141 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states. [2018-11-23 11:43:49,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-23 11:43:49,148 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:43:49,149 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] [2018-11-23 11:43:49,151 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:43:49,155 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:43:49,155 INFO L82 PathProgramCache]: Analyzing trace with hash 1577511589, now seen corresponding path program 1 times [2018-11-23 11:43:49,157 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 11:43:49,157 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 11:43:49,197 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:43:49,198 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:43:49,198 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:43:49,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:43:49,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:43:49,352 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:43:49,352 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 11:43:49,355 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 11:43:49,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 11:43:49,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 11:43:49,365 INFO L87 Difference]: Start difference. First operand 162 states. Second operand 2 states. [2018-11-23 11:43:49,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:43:49,396 INFO L93 Difference]: Finished difference Result 298 states and 365 transitions. [2018-11-23 11:43:49,396 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 11:43:49,397 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-23 11:43:49,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:43:49,408 INFO L225 Difference]: With dead ends: 298 [2018-11-23 11:43:49,408 INFO L226 Difference]: Without dead ends: 149 [2018-11-23 11:43:49,411 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 [2018-11-23 11:43:49,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2018-11-23 11:43:49,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2018-11-23 11:43:49,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2018-11-23 11:43:49,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 174 transitions. [2018-11-23 11:43:49,454 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 174 transitions. Word has length 46 [2018-11-23 11:43:49,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:43:49,454 INFO L480 AbstractCegarLoop]: Abstraction has 149 states and 174 transitions. [2018-11-23 11:43:49,454 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 11:43:49,455 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 174 transitions. [2018-11-23 11:43:49,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 11:43:49,457 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:43:49,457 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] [2018-11-23 11:43:49,457 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:43:49,457 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:43:49,458 INFO L82 PathProgramCache]: Analyzing trace with hash 1559707718, now seen corresponding path program 1 times [2018-11-23 11:43:49,458 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 11:43:49,458 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 11:43:49,459 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:43:49,459 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:43:49,459 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:43:49,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:43:49,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:43:49,525 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:43:49,525 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 11:43:49,527 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 11:43:49,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 11:43:49,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 11:43:49,527 INFO L87 Difference]: Start difference. First operand 149 states and 174 transitions. Second operand 3 states. [2018-11-23 11:43:49,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:43:49,550 INFO L93 Difference]: Finished difference Result 241 states and 279 transitions. [2018-11-23 11:43:49,551 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 11:43:49,551 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-23 11:43:49,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:43:49,553 INFO L225 Difference]: With dead ends: 241 [2018-11-23 11:43:49,553 INFO L226 Difference]: Without dead ends: 140 [2018-11-23 11:43:49,554 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 [2018-11-23 11:43:49,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2018-11-23 11:43:49,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2018-11-23 11:43:49,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2018-11-23 11:43:49,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 162 transitions. [2018-11-23 11:43:49,565 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 162 transitions. Word has length 47 [2018-11-23 11:43:49,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:43:49,565 INFO L480 AbstractCegarLoop]: Abstraction has 140 states and 162 transitions. [2018-11-23 11:43:49,566 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 11:43:49,566 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 162 transitions. [2018-11-23 11:43:49,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 11:43:49,567 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:43:49,567 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] [2018-11-23 11:43:49,567 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:43:49,567 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:43:49,567 INFO L82 PathProgramCache]: Analyzing trace with hash 1919773205, now seen corresponding path program 1 times [2018-11-23 11:43:49,568 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 11:43:49,568 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 11:43:49,568 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:43:49,569 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:43:49,569 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:43:49,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:43:49,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:43:49,672 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:43:49,673 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 11:43:49,673 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 11:43:49,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 11:43:49,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 11:43:49,674 INFO L87 Difference]: Start difference. First operand 140 states and 162 transitions. Second operand 7 states. [2018-11-23 11:43:49,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:43:49,973 INFO L93 Difference]: Finished difference Result 422 states and 504 transitions. [2018-11-23 11:43:49,973 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 11:43:49,973 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-11-23 11:43:49,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:43:49,976 INFO L225 Difference]: With dead ends: 422 [2018-11-23 11:43:49,977 INFO L226 Difference]: Without dead ends: 306 [2018-11-23 11:43:49,977 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 [2018-11-23 11:43:49,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2018-11-23 11:43:50,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 298. [2018-11-23 11:43:50,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2018-11-23 11:43:50,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 356 transitions. [2018-11-23 11:43:50,006 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 356 transitions. Word has length 51 [2018-11-23 11:43:50,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:43:50,006 INFO L480 AbstractCegarLoop]: Abstraction has 298 states and 356 transitions. [2018-11-23 11:43:50,006 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 11:43:50,006 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 356 transitions. [2018-11-23 11:43:50,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-23 11:43:50,008 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:43:50,008 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] [2018-11-23 11:43:50,009 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:43:50,009 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:43:50,009 INFO L82 PathProgramCache]: Analyzing trace with hash 903237574, now seen corresponding path program 1 times [2018-11-23 11:43:50,009 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 11:43:50,009 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 11:43:50,010 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:43:50,010 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:43:50,010 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:43:50,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:43:50,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:43:50,116 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:43:50,116 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-23 11:43:50,117 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 11:43:50,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 11:43:50,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-23 11:43:50,117 INFO L87 Difference]: Start difference. First operand 298 states and 356 transitions. Second operand 10 states. [2018-11-23 11:43:50,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:43:50,529 INFO L93 Difference]: Finished difference Result 1072 states and 1372 transitions. [2018-11-23 11:43:50,529 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-23 11:43:50,529 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 57 [2018-11-23 11:43:50,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:43:50,533 INFO L225 Difference]: With dead ends: 1072 [2018-11-23 11:43:50,533 INFO L226 Difference]: Without dead ends: 798 [2018-11-23 11:43:50,534 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 [2018-11-23 11:43:50,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 798 states. [2018-11-23 11:43:50,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 798 to 786. [2018-11-23 11:43:50,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 786 states. [2018-11-23 11:43:50,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 786 states and 972 transitions. [2018-11-23 11:43:50,582 INFO L78 Accepts]: Start accepts. Automaton has 786 states and 972 transitions. Word has length 57 [2018-11-23 11:43:50,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:43:50,582 INFO L480 AbstractCegarLoop]: Abstraction has 786 states and 972 transitions. [2018-11-23 11:43:50,582 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 11:43:50,582 INFO L276 IsEmpty]: Start isEmpty. Operand 786 states and 972 transitions. [2018-11-23 11:43:50,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-23 11:43:50,585 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:43:50,585 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] [2018-11-23 11:43:50,585 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:43:50,585 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:43:50,586 INFO L82 PathProgramCache]: Analyzing trace with hash -588764660, now seen corresponding path program 1 times [2018-11-23 11:43:50,586 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 11:43:50,586 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 11:43:50,587 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:43:50,587 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:43:50,587 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:43:50,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:43:50,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:43:50,653 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:43:50,653 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 11:43:50,653 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 11:43:50,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 11:43:50,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 11:43:50,654 INFO L87 Difference]: Start difference. First operand 786 states and 972 transitions. Second operand 4 states. [2018-11-23 11:43:50,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:43:50,844 INFO L93 Difference]: Finished difference Result 1938 states and 2607 transitions. [2018-11-23 11:43:50,845 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 11:43:50,845 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2018-11-23 11:43:50,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:43:50,851 INFO L225 Difference]: With dead ends: 1938 [2018-11-23 11:43:50,851 INFO L226 Difference]: Without dead ends: 1176 [2018-11-23 11:43:50,853 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 [2018-11-23 11:43:50,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1176 states. [2018-11-23 11:43:50,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1176 to 1041. [2018-11-23 11:43:50,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1041 states. [2018-11-23 11:43:50,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1041 states to 1041 states and 1298 transitions. [2018-11-23 11:43:50,899 INFO L78 Accepts]: Start accepts. Automaton has 1041 states and 1298 transitions. Word has length 61 [2018-11-23 11:43:50,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:43:50,900 INFO L480 AbstractCegarLoop]: Abstraction has 1041 states and 1298 transitions. [2018-11-23 11:43:50,900 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 11:43:50,900 INFO L276 IsEmpty]: Start isEmpty. Operand 1041 states and 1298 transitions. [2018-11-23 11:43:50,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-23 11:43:50,902 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:43:50,902 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:43:50,902 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:43:50,902 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:43:50,902 INFO L82 PathProgramCache]: Analyzing trace with hash 1174479952, now seen corresponding path program 1 times [2018-11-23 11:43:50,903 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 11:43:50,903 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 11:43:50,903 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:43:50,903 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:43:50,903 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:43:50,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:43:50,988 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-23 11:43:50,988 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 11:43:50,988 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_96192533-b653-4422-89a5-5b703906c4e7/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 [2018-11-23 11:43:51,008 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:43:51,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:43:51,085 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:43:51,167 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 11:43:51,182 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 11:43:51,182 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2018-11-23 11:43:51,183 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-23 11:43:51,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-23 11:43:51,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2018-11-23 11:43:51,183 INFO L87 Difference]: Start difference. First operand 1041 states and 1298 transitions. Second operand 12 states. [2018-11-23 11:43:53,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:43:53,050 INFO L93 Difference]: Finished difference Result 2442 states and 3287 transitions. [2018-11-23 11:43:53,051 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-11-23 11:43:53,051 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 88 [2018-11-23 11:43:53,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:43:53,059 INFO L225 Difference]: With dead ends: 2442 [2018-11-23 11:43:53,059 INFO L226 Difference]: Without dead ends: 1695 [2018-11-23 11:43:53,062 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 826 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=535, Invalid=2327, Unknown=0, NotChecked=0, Total=2862 [2018-11-23 11:43:53,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1695 states. [2018-11-23 11:43:53,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1695 to 1495. [2018-11-23 11:43:53,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1495 states. [2018-11-23 11:43:53,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1495 states to 1495 states and 1885 transitions. [2018-11-23 11:43:53,150 INFO L78 Accepts]: Start accepts. Automaton has 1495 states and 1885 transitions. Word has length 88 [2018-11-23 11:43:53,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:43:53,150 INFO L480 AbstractCegarLoop]: Abstraction has 1495 states and 1885 transitions. [2018-11-23 11:43:53,150 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-23 11:43:53,150 INFO L276 IsEmpty]: Start isEmpty. Operand 1495 states and 1885 transitions. [2018-11-23 11:43:53,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-23 11:43:53,154 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:43:53,154 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] [2018-11-23 11:43:53,154 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:43:53,154 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:43:53,155 INFO L82 PathProgramCache]: Analyzing trace with hash -264977040, now seen corresponding path program 1 times [2018-11-23 11:43:53,155 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 11:43:53,155 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 11:43:53,155 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:43:53,155 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:43:53,156 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:43:53,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:43:53,216 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 11:43:53,216 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 11:43:53,216 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_96192533-b653-4422-89a5-5b703906c4e7/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 [2018-11-23 11:43:53,229 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:43:53,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:43:53,324 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:43:53,343 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-23 11:43:53,369 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 11:43:53,369 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 6 [2018-11-23 11:43:53,370 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 11:43:53,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 11:43:53,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 11:43:53,370 INFO L87 Difference]: Start difference. First operand 1495 states and 1885 transitions. Second operand 6 states. [2018-11-23 11:43:53,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:43:53,480 INFO L93 Difference]: Finished difference Result 3022 states and 4012 transitions. [2018-11-23 11:43:53,480 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 11:43:53,480 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 147 [2018-11-23 11:43:53,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:43:53,488 INFO L225 Difference]: With dead ends: 3022 [2018-11-23 11:43:53,488 INFO L226 Difference]: Without dead ends: 1551 [2018-11-23 11:43:53,492 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 146 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-23 11:43:53,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1551 states. [2018-11-23 11:43:53,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1551 to 1535. [2018-11-23 11:43:53,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1535 states. [2018-11-23 11:43:53,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1535 states to 1535 states and 1929 transitions. [2018-11-23 11:43:53,580 INFO L78 Accepts]: Start accepts. Automaton has 1535 states and 1929 transitions. Word has length 147 [2018-11-23 11:43:53,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:43:53,580 INFO L480 AbstractCegarLoop]: Abstraction has 1535 states and 1929 transitions. [2018-11-23 11:43:53,580 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 11:43:53,581 INFO L276 IsEmpty]: Start isEmpty. Operand 1535 states and 1929 transitions. [2018-11-23 11:43:53,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-23 11:43:53,585 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:43:53,585 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] [2018-11-23 11:43:53,585 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:43:53,586 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:43:53,586 INFO L82 PathProgramCache]: Analyzing trace with hash 2123586990, now seen corresponding path program 1 times [2018-11-23 11:43:53,586 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 11:43:53,586 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 11:43:53,588 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:43:53,589 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:43:53,589 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:43:53,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:43:53,688 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 11:43:53,689 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 11:43:53,689 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_96192533-b653-4422-89a5-5b703906c4e7/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 [2018-11-23 11:43:53,701 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:43:53,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:43:53,803 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:43:53,851 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-23 11:43:53,877 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 11:43:53,878 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2018-11-23 11:43:53,878 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-23 11:43:53,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-23 11:43:53,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-11-23 11:43:53,879 INFO L87 Difference]: Start difference. First operand 1535 states and 1929 transitions. Second operand 11 states. [2018-11-23 11:43:53,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:43:53,967 INFO L93 Difference]: Finished difference Result 2783 states and 3600 transitions. [2018-11-23 11:43:53,967 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 11:43:53,967 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 147 [2018-11-23 11:43:53,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:43:53,973 INFO L225 Difference]: With dead ends: 2783 [2018-11-23 11:43:53,973 INFO L226 Difference]: Without dead ends: 1272 [2018-11-23 11:43:53,976 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-11-23 11:43:53,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1272 states. [2018-11-23 11:43:54,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1272 to 1272. [2018-11-23 11:43:54,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1272 states. [2018-11-23 11:43:54,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1272 states to 1272 states and 1601 transitions. [2018-11-23 11:43:54,049 INFO L78 Accepts]: Start accepts. Automaton has 1272 states and 1601 transitions. Word has length 147 [2018-11-23 11:43:54,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:43:54,050 INFO L480 AbstractCegarLoop]: Abstraction has 1272 states and 1601 transitions. [2018-11-23 11:43:54,050 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-23 11:43:54,050 INFO L276 IsEmpty]: Start isEmpty. Operand 1272 states and 1601 transitions. [2018-11-23 11:43:54,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-11-23 11:43:54,052 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:43:54,052 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:43:54,052 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:43:54,053 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:43:54,054 INFO L82 PathProgramCache]: Analyzing trace with hash -714019885, now seen corresponding path program 1 times [2018-11-23 11:43:54,054 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 11:43:54,054 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 11:43:54,054 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:43:54,055 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:43:54,055 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:43:54,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:43:54,182 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-23 11:43:54,182 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 11:43:54,182 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_96192533-b653-4422-89a5-5b703906c4e7/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 [2018-11-23 11:43:54,191 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:43:54,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:43:54,282 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:43:54,356 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:43:54,381 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 11:43:54,381 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 14 [2018-11-23 11:43:54,382 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-23 11:43:54,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-23 11:43:54,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2018-11-23 11:43:54,382 INFO L87 Difference]: Start difference. First operand 1272 states and 1601 transitions. Second operand 14 states. [2018-11-23 11:43:55,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:43:55,940 INFO L93 Difference]: Finished difference Result 2862 states and 3907 transitions. [2018-11-23 11:43:55,941 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-11-23 11:43:55,941 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 151 [2018-11-23 11:43:55,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:43:55,950 INFO L225 Difference]: With dead ends: 2862 [2018-11-23 11:43:55,950 INFO L226 Difference]: Without dead ends: 1769 [2018-11-23 11:43:55,954 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 208 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=206, Invalid=850, Unknown=0, NotChecked=0, Total=1056 [2018-11-23 11:43:55,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1769 states. [2018-11-23 11:43:56,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1769 to 1464. [2018-11-23 11:43:56,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1464 states. [2018-11-23 11:43:56,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1464 states to 1464 states and 1827 transitions. [2018-11-23 11:43:56,045 INFO L78 Accepts]: Start accepts. Automaton has 1464 states and 1827 transitions. Word has length 151 [2018-11-23 11:43:56,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:43:56,045 INFO L480 AbstractCegarLoop]: Abstraction has 1464 states and 1827 transitions. [2018-11-23 11:43:56,045 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-23 11:43:56,045 INFO L276 IsEmpty]: Start isEmpty. Operand 1464 states and 1827 transitions. [2018-11-23 11:43:56,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-11-23 11:43:56,049 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:43:56,050 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, 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] [2018-11-23 11:43:56,050 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:43:56,050 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:43:56,050 INFO L82 PathProgramCache]: Analyzing trace with hash -1781892361, now seen corresponding path program 1 times [2018-11-23 11:43:56,050 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 11:43:56,050 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 11:43:56,051 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:43:56,051 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:43:56,051 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:43:56,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:43:56,152 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 39 proven. 8 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-11-23 11:43:56,152 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 11:43:56,152 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_96192533-b653-4422-89a5-5b703906c4e7/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 [2018-11-23 11:43:56,161 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:43:56,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:43:56,257 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:43:56,326 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-23 11:43:56,342 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 11:43:56,342 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2018-11-23 11:43:56,343 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-23 11:43:56,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-23 11:43:56,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-11-23 11:43:56,343 INFO L87 Difference]: Start difference. First operand 1464 states and 1827 transitions. Second operand 13 states. [2018-11-23 11:43:56,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:43:56,394 INFO L93 Difference]: Finished difference Result 1977 states and 2459 transitions. [2018-11-23 11:43:56,397 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 11:43:56,397 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 204 [2018-11-23 11:43:56,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:43:56,398 INFO L225 Difference]: With dead ends: 1977 [2018-11-23 11:43:56,398 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 11:43:56,400 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2018-11-23 11:43:56,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 11:43:56,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 11:43:56,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 11:43:56,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 11:43:56,401 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 204 [2018-11-23 11:43:56,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:43:56,401 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 11:43:56,401 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-23 11:43:56,401 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 11:43:56,402 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:43:56,405 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 11:43:56,502 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:43:56,502 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:43:56,504 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:43:56,505 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:43:56,513 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:43:56,514 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:43:56,515 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:43:56,516 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:43:56,518 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:43:56,520 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:43:56,631 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:43:56,637 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:43:56,640 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:43:56,688 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:43:56,688 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:43:56,690 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:43:56,695 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:43:56,697 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:43:56,698 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:43:56,699 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:43:56,699 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:43:56,700 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:43:56,708 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:43:56,714 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:43:56,720 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:43:56,723 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:43:56,725 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:43:56,726 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:43:56,777 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:43:56,781 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:43:56,781 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:43:56,786 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:43:56,788 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:43:56,789 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:43:56,790 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:43:56,791 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:43:56,799 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:43:56,816 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:43:56,824 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:43:57,160 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 27 [2018-11-23 11:43:58,108 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-11-23 11:43:58,108 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-11-23 11:43:58,108 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-11-23 11:43:58,108 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-11-23 11:43:58,108 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-11-23 11:43:58,108 INFO L444 ceAbstractionStarter]: At program point L95(line 95) 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))) [2018-11-23 11:43:58,108 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 81 105) the Hoare annotation is: true [2018-11-23 11:43:58,108 INFO L448 ceAbstractionStarter]: For program point L93(lines 93 99) no Hoare annotation was computed. [2018-11-23 11:43:58,108 INFO L444 ceAbstractionStarter]: At program point L91(line 91) 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))) [2018-11-23 11:43:58,108 INFO L448 ceAbstractionStarter]: For program point L91-1(line 91) no Hoare annotation was computed. [2018-11-23 11:43:58,109 INFO L448 ceAbstractionStarter]: For program point L89(lines 89 102) no Hoare annotation was computed. [2018-11-23 11:43:58,109 INFO L448 ceAbstractionStarter]: For program point L89-1(lines 81 105) no Hoare annotation was computed. [2018-11-23 11:43:58,109 INFO L451 ceAbstractionStarter]: At program point L87(line 87) the Hoare annotation is: true [2018-11-23 11:43:58,109 INFO L448 ceAbstractionStarter]: For program point L87-1(line 87) no Hoare annotation was computed. [2018-11-23 11:43:58,109 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 81 105) no Hoare annotation was computed. [2018-11-23 11:43:58,109 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 489 511) 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))) [2018-11-23 11:43:58,109 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 489 511) no Hoare annotation was computed. [2018-11-23 11:43:58,109 INFO L444 ceAbstractionStarter]: At program point L501(line 501) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= main_~tmp~7 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 11:43:58,109 INFO L444 ceAbstractionStarter]: At program point L501-1(line 501) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= main_~tmp~7 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 11:43:58,109 INFO L448 ceAbstractionStarter]: For program point L499(lines 499 506) no Hoare annotation was computed. [2018-11-23 11:43:58,109 INFO L448 ceAbstractionStarter]: For program point L499-1(lines 499 506) no Hoare annotation was computed. [2018-11-23 11:43:58,109 INFO L448 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-23 11:43:58,109 INFO L444 ceAbstractionStarter]: At program point L496(line 496) 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))) [2018-11-23 11:43:58,109 INFO L444 ceAbstractionStarter]: At program point L495(line 495) 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))) [2018-11-23 11:43:58,109 INFO L444 ceAbstractionStarter]: At program point L495-1(line 495) 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))) [2018-11-23 11:43:58,109 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 489 511) no Hoare annotation was computed. [2018-11-23 11:43:58,109 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 401 415) no Hoare annotation was computed. [2018-11-23 11:43:58,110 INFO L444 ceAbstractionStarter]: At program point L407(line 407) 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))) [2018-11-23 11:43:58,110 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 401 415) 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)))) [2018-11-23 11:43:58,110 INFO L448 ceAbstractionStarter]: For program point L405(lines 405 411) no Hoare annotation was computed. [2018-11-23 11:43:58,110 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 401 415) no Hoare annotation was computed. [2018-11-23 11:43:58,110 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 318 326) no Hoare annotation was computed. [2018-11-23 11:43:58,110 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 318 326) the Hoare annotation is: true [2018-11-23 11:43:58,110 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 318 326) no Hoare annotation was computed. [2018-11-23 11:43:58,110 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 382 400) the Hoare annotation is: true [2018-11-23 11:43:58,110 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 395) no Hoare annotation was computed. [2018-11-23 11:43:58,110 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 382 400) no Hoare annotation was computed. [2018-11-23 11:43:58,110 INFO L451 ceAbstractionStarter]: At program point L389(line 389) the Hoare annotation is: true [2018-11-23 11:43:58,110 INFO L448 ceAbstractionStarter]: For program point L391-2(lines 391 395) no Hoare annotation was computed. [2018-11-23 11:43:58,110 INFO L448 ceAbstractionStarter]: For program point L389-1(line 389) no Hoare annotation was computed. [2018-11-23 11:43:58,110 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 382 400) no Hoare annotation was computed. [2018-11-23 11:43:58,110 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-11-23 11:43:58,110 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-11-23 11:43:58,110 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 479 488) 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))) [2018-11-23 11:43:58,110 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 479 488) no Hoare annotation was computed. [2018-11-23 11:43:58,110 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 479 488) no Hoare annotation was computed. [2018-11-23 11:43:58,110 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 307 317) the Hoare annotation is: true [2018-11-23 11:43:58,110 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 307 317) no Hoare annotation was computed. [2018-11-23 11:43:58,110 INFO L451 ceAbstractionStarter]: At program point L312(line 312) the Hoare annotation is: true [2018-11-23 11:43:58,111 INFO L448 ceAbstractionStarter]: For program point L312-1(line 312) no Hoare annotation was computed. [2018-11-23 11:43:58,111 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 307 317) no Hoare annotation was computed. [2018-11-23 11:43:58,111 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 299 306) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~systemActive~0 0) (< ~waterLevel~0 1)) [2018-11-23 11:43:58,111 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 299 306) no Hoare annotation was computed. [2018-11-23 11:43:58,111 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 299 306) no Hoare annotation was computed. [2018-11-23 11:43:58,111 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 592 605) no Hoare annotation was computed. [2018-11-23 11:43:58,111 INFO L448 ceAbstractionStarter]: For program point L596(lines 596 602) no Hoare annotation was computed. [2018-11-23 11:43:58,111 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 592 605) the Hoare annotation is: true [2018-11-23 11:43:58,111 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 592 605) no Hoare annotation was computed. [2018-11-23 11:43:58,111 INFO L448 ceAbstractionStarter]: For program point L256(lines 256 264) no Hoare annotation was computed. [2018-11-23 11:43:58,111 INFO L444 ceAbstractionStarter]: At program point L254(line 254) 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))) [2018-11-23 11:43:58,111 INFO L448 ceAbstractionStarter]: For program point L254-1(line 254) no Hoare annotation was computed. [2018-11-23 11:43:58,111 INFO L448 ceAbstractionStarter]: For program point L252(lines 252 269) no Hoare annotation was computed. [2018-11-23 11:43:58,111 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 248 272) no Hoare annotation was computed. [2018-11-23 11:43:58,111 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 248 272) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~systemActive~0 0) (< ~waterLevel~0 1)) [2018-11-23 11:43:58,111 INFO L444 ceAbstractionStarter]: At program point L267(line 267) the Hoare annotation is: (or (= ~systemActive~0 0) (and (= 0 ~pumpRunning~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (< ~waterLevel~0 1)) [2018-11-23 11:43:58,111 INFO L448 ceAbstractionStarter]: For program point L267-1(lines 248 272) no Hoare annotation was computed. [2018-11-23 11:43:58,111 INFO L444 ceAbstractionStarter]: At program point L262(line 262) the Hoare annotation is: (or (= ~systemActive~0 0) (< ~waterLevel~0 1)) [2018-11-23 11:43:58,112 INFO L444 ceAbstractionStarter]: At program point L258(line 258) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 .cse1 (and (= processEnvironment_~tmp~3 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-11-23 11:43:58,112 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 214 220) no Hoare annotation was computed. [2018-11-23 11:43:58,112 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 214 220) the Hoare annotation is: true [2018-11-23 11:43:58,112 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 112 177) 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))) [2018-11-23 11:43:58,112 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 128) no Hoare annotation was computed. [2018-11-23 11:43:58,112 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 112 177) no Hoare annotation was computed. [2018-11-23 11:43:58,112 INFO L444 ceAbstractionStarter]: At program point L170(lines 121 171) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 11:43:58,112 INFO L444 ceAbstractionStarter]: At program point L160(line 160) 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)))) [2018-11-23 11:43:58,112 INFO L448 ceAbstractionStarter]: For program point L158(lines 158 164) no Hoare annotation was computed. [2018-11-23 11:43:58,112 INFO L444 ceAbstractionStarter]: At program point L158-1(lines 152 165) 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)))) [2018-11-23 11:43:58,113 INFO L448 ceAbstractionStarter]: For program point L123(lines 122 169) no Hoare annotation was computed. [2018-11-23 11:43:58,113 INFO L448 ceAbstractionStarter]: For program point L152(lines 152 165) no Hoare annotation was computed. [2018-11-23 11:43:58,113 INFO L444 ceAbstractionStarter]: At program point L144(line 144) 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)))) [2018-11-23 11:43:58,113 INFO L448 ceAbstractionStarter]: For program point L142(lines 142 148) no Hoare annotation was computed. [2018-11-23 11:43:58,113 INFO L448 ceAbstractionStarter]: For program point L142-1(lines 142 148) no Hoare annotation was computed. [2018-11-23 11:43:58,113 INFO L444 ceAbstractionStarter]: At program point L167(lines 122 169) 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)))) [2018-11-23 11:43:58,113 INFO L444 ceAbstractionStarter]: At program point L134(line 134) 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))) [2018-11-23 11:43:58,113 INFO L448 ceAbstractionStarter]: For program point L132(lines 132 138) no Hoare annotation was computed. [2018-11-23 11:43:58,113 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 132 138) no Hoare annotation was computed. [2018-11-23 11:43:58,113 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 112 177) no Hoare annotation was computed. [2018-11-23 11:43:58,113 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 273 280) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-23 11:43:58,113 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 273 280) no Hoare annotation was computed. [2018-11-23 11:43:58,114 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 273 280) no Hoare annotation was computed. [2018-11-23 11:43:58,114 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 606 614) no Hoare annotation was computed. [2018-11-23 11:43:58,114 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 606 614) the Hoare annotation is: true [2018-11-23 11:43:58,114 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 606 614) no Hoare annotation was computed. [2018-11-23 11:43:58,114 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 11:43:58,114 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)) [2018-11-23 11:43:58,114 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 11:43:58,114 INFO L448 ceAbstractionStarter]: For program point L289(lines 289 295) no Hoare annotation was computed. [2018-11-23 11:43:58,114 INFO L444 ceAbstractionStarter]: At program point L287(line 287) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-23 11:43:58,114 INFO L448 ceAbstractionStarter]: For program point L287-1(line 287) no Hoare annotation was computed. [2018-11-23 11:43:58,114 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 282 298) no Hoare annotation was computed. [2018-11-23 11:43:58,114 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 282 298) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-23 11:43:58,115 INFO L444 ceAbstractionStarter]: At program point L293(line 293) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-23 11:43:58,115 INFO L448 ceAbstractionStarter]: For program point L293-1(lines 282 298) no Hoare annotation was computed. [2018-11-23 11:43:58,115 INFO L448 ceAbstractionStarter]: For program point L370-1(line 370) no Hoare annotation was computed. [2018-11-23 11:43:58,115 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 363 381) no Hoare annotation was computed. [2018-11-23 11:43:58,115 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 363 381) the Hoare annotation is: true [2018-11-23 11:43:58,115 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 363 381) no Hoare annotation was computed. [2018-11-23 11:43:58,115 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 376) no Hoare annotation was computed. [2018-11-23 11:43:58,115 INFO L451 ceAbstractionStarter]: At program point L370(line 370) the Hoare annotation is: true [2018-11-23 11:43:58,115 INFO L448 ceAbstractionStarter]: For program point L372-2(lines 372 376) no Hoare annotation was computed. [2018-11-23 11:43:58,115 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 583 591) the Hoare annotation is: true [2018-11-23 11:43:58,115 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 583 591) no Hoare annotation was computed. [2018-11-23 11:43:58,115 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 583 591) no Hoare annotation was computed. [2018-11-23 11:43:58,115 INFO L448 ceAbstractionStarter]: For program point L543-1(lines 539 550) no Hoare annotation was computed. [2018-11-23 11:43:58,115 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 539 550) the Hoare annotation is: true [2018-11-23 11:43:58,116 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 539 550) no Hoare annotation was computed. [2018-11-23 11:43:58,116 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 551 559) the Hoare annotation is: true [2018-11-23 11:43:58,116 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 551 559) no Hoare annotation was computed. [2018-11-23 11:43:58,116 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 551 559) no Hoare annotation was computed. [2018-11-23 11:43:58,116 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 418 447) no Hoare annotation was computed. [2018-11-23 11:43:58,116 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 418 447) the Hoare annotation is: true [2018-11-23 11:43:58,116 INFO L451 ceAbstractionStarter]: At program point L443(lines 418 447) the Hoare annotation is: true [2018-11-23 11:43:58,116 INFO L448 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-11-23 11:43:58,116 INFO L448 ceAbstractionStarter]: For program point L432(lines 432 436) no Hoare annotation was computed. [2018-11-23 11:43:58,116 INFO L451 ceAbstractionStarter]: At program point L432-1(lines 432 436) the Hoare annotation is: true [2018-11-23 11:43:58,116 INFO L448 ceAbstractionStarter]: For program point L429(line 429) no Hoare annotation was computed. [2018-11-23 11:43:58,116 INFO L451 ceAbstractionStarter]: At program point L428-2(lines 428 442) the Hoare annotation is: true [2018-11-23 11:43:58,116 INFO L451 ceAbstractionStarter]: At program point L424(line 424) the Hoare annotation is: true [2018-11-23 11:43:58,116 INFO L448 ceAbstractionStarter]: For program point L424-1(line 424) no Hoare annotation was computed. [2018-11-23 11:43:58,116 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 190 213) 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)))) [2018-11-23 11:43:58,117 INFO L444 ceAbstractionStarter]: At program point L203(line 203) 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)))) [2018-11-23 11:43:58,117 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 190 213) no Hoare annotation was computed. [2018-11-23 11:43:58,117 INFO L444 ceAbstractionStarter]: At program point L201(lines 201 207) 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))))) [2018-11-23 11:43:58,117 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 190 213) no Hoare annotation was computed. [2018-11-23 11:43:58,117 INFO L444 ceAbstractionStarter]: At program point L196(line 196) 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))) [2018-11-23 11:43:58,117 INFO L448 ceAbstractionStarter]: For program point L194(lines 193 212) no Hoare annotation was computed. [2018-11-23 11:43:58,117 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 515 526) the Hoare annotation is: (or (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 0) (< |old(~waterLevel~0)| 2)) [2018-11-23 11:43:58,117 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 515 526) no Hoare annotation was computed. [2018-11-23 11:43:58,117 INFO L448 ceAbstractionStarter]: For program point L519-1(lines 515 526) no Hoare annotation was computed. [2018-11-23 11:43:58,117 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 472 478) no Hoare annotation was computed. [2018-11-23 11:43:58,117 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 472 478) the Hoare annotation is: true [2018-11-23 11:43:58,117 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 11:43:58,117 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) [2018-11-23 11:43:58,117 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 11:43:58,117 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 11:43:58,117 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 222 246) 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))))) [2018-11-23 11:43:58,117 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 222 246) no Hoare annotation was computed. [2018-11-23 11:43:58,117 INFO L444 ceAbstractionStarter]: At program point L241(line 241) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (< ~waterLevel~0 1)) [2018-11-23 11:43:58,117 INFO L448 ceAbstractionStarter]: For program point L241-1(lines 222 246) no Hoare annotation was computed. [2018-11-23 11:43:58,117 INFO L444 ceAbstractionStarter]: At program point L236(line 236) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (< ~waterLevel~0 1) (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~2) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-23 11:43:58,118 INFO L444 ceAbstractionStarter]: At program point L232(line 232) 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))) [2018-11-23 11:43:58,118 INFO L448 ceAbstractionStarter]: For program point L230(lines 230 238) no Hoare annotation was computed. [2018-11-23 11:43:58,118 INFO L444 ceAbstractionStarter]: At program point L228(line 228) 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))))) [2018-11-23 11:43:58,118 INFO L448 ceAbstractionStarter]: For program point L228-1(line 228) no Hoare annotation was computed. [2018-11-23 11:43:58,118 INFO L448 ceAbstractionStarter]: For program point L226(lines 226 243) no Hoare annotation was computed. [2018-11-23 11:43:58,118 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 527 538) no Hoare annotation was computed. [2018-11-23 11:43:58,118 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 527 538) 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))) [2018-11-23 11:43:58,118 INFO L448 ceAbstractionStarter]: For program point L531-1(lines 527 538) no Hoare annotation was computed. [2018-11-23 11:43:58,118 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 616 623) no Hoare annotation was computed. [2018-11-23 11:43:58,118 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 616 623) the Hoare annotation is: true [2018-11-23 11:43:58,118 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 620) no Hoare annotation was computed. [2018-11-23 11:43:58,118 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 616 623) no Hoare annotation was computed. [2018-11-23 11:43:58,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:43:58 BoogieIcfgContainer [2018-11-23 11:43:58,125 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 11:43:58,125 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 11:43:58,125 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 11:43:58,125 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 11:43:58,125 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:43:49" (3/4) ... [2018-11-23 11:43:58,128 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 11:43:58,135 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 11:43:58,135 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 11:43:58,135 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-11-23 11:43:58,135 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 11:43:58,135 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-23 11:43:58,135 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 11:43:58,135 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-23 11:43:58,135 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 11:43:58,135 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 11:43:58,135 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-23 11:43:58,135 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 11:43:58,135 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-23 11:43:58,136 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 11:43:58,136 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 11:43:58,136 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 11:43:58,136 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-23 11:43:58,136 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-23 11:43:58,136 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 11:43:58,136 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-23 11:43:58,136 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-23 11:43:58,136 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-23 11:43:58,136 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 11:43:58,136 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 11:43:58,136 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 11:43:58,136 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 11:43:58,137 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 11:43:58,137 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 11:43:58,137 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 11:43:58,137 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 11:43:58,137 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 11:43:58,144 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-11-23 11:43:58,144 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 11:43:58,144 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 11:43:58,145 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 11:43:58,145 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 11:43:58,145 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 11:43:58,146 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 11:43:58,169 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) [2018-11-23 11:43:58,169 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-23 11:43:58,204 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_96192533-b653-4422-89a5-5b703906c4e7/bin-2019/uautomizer/witness.graphml [2018-11-23 11:43:58,204 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 11:43:58,204 INFO L168 Benchmark]: Toolchain (without parser) took 10059.63 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 331.9 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -176.3 MB). Peak memory consumption was 155.6 MB. Max. memory is 11.5 GB. [2018-11-23 11:43:58,205 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 11:43:58,205 INFO L168 Benchmark]: CACSL2BoogieTranslator took 382.21 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.4 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -127.6 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-23 11:43:58,205 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.12 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 11:43:58,205 INFO L168 Benchmark]: Boogie Preprocessor took 28.68 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 11:43:58,206 INFO L168 Benchmark]: RCFGBuilder took 479.45 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 53.2 MB). Peak memory consumption was 53.2 MB. Max. memory is 11.5 GB. [2018-11-23 11:43:58,206 INFO L168 Benchmark]: TraceAbstraction took 9064.38 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 236.5 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -114.6 MB). Peak memory consumption was 469.8 MB. Max. memory is 11.5 GB. [2018-11-23 11:43:58,206 INFO L168 Benchmark]: Witness Printer took 78.71 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 11.5 GB. [2018-11-23 11:43:58,208 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 382.21 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.4 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -127.6 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.12 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.68 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 479.45 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 53.2 MB). Peak memory consumption was 53.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9064.38 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 236.5 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -114.6 MB). Peak memory consumption was 469.8 MB. Max. memory is 11.5 GB. * Witness Printer took 78.71 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 620]: 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: 121]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 122]: 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: 428]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 162 locations, 1 error locations. SAFE Result, 9.0s OverallTime, 10 OverallIterations, 3 TraceHistogramMax, 4.7s AutomataDifference, 0.0s DeadEndRemovalTime, 1.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 1854 SDtfs, 2424 SDslu, 6237 SDs, 0 SdLazy, 5556 SolverSat, 1442 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 917 GetRequests, 776 SyntacticMatches, 3 SemanticMatches, 138 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1085 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1535occurred 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: 0.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 676 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 3391 PreInvPairs, 3498 NumberOfFragments, 1008 HoareAnnotationTreeSize, 3391 FomulaSimplifications, 9234 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 67 FomulaSimplificationsInter, 9795 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1736 NumberOfCodeBlocks, 1736 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1721 ConstructedInterpolants, 0 QuantifiedInterpolants, 331159 SizeOfPredicates, 14 NumberOfNonLiveVariables, 4271 ConjunctsInSsa, 48 ConjunctsInUnsatCore, 15 InterpolantComputations, 8 PerfectInterpolantSequences, 395/432 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...