./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product50_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_90110e3b-d66a-485b-89e1-f2d0297204d3/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_90110e3b-d66a-485b-89e1-f2d0297204d3/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_90110e3b-d66a-485b-89e1-f2d0297204d3/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_90110e3b-d66a-485b-89e1-f2d0297204d3/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product50_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_90110e3b-d66a-485b-89e1-f2d0297204d3/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_90110e3b-d66a-485b-89e1-f2d0297204d3/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 96fab9ebc0a7c1449817f0fde656dfd4d62824fd .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 22:36:44,593 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 22:36:44,594 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 22:36:44,600 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 22:36:44,600 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 22:36:44,601 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 22:36:44,601 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 22:36:44,602 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 22:36:44,603 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 22:36:44,603 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 22:36:44,604 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 22:36:44,604 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 22:36:44,604 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 22:36:44,605 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 22:36:44,605 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 22:36:44,606 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 22:36:44,606 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 22:36:44,607 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 22:36:44,608 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 22:36:44,608 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 22:36:44,609 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 22:36:44,609 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 22:36:44,610 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 22:36:44,611 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 22:36:44,611 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 22:36:44,611 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 22:36:44,612 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 22:36:44,612 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 22:36:44,612 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 22:36:44,613 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 22:36:44,613 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 22:36:44,613 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 22:36:44,613 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 22:36:44,613 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 22:36:44,614 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 22:36:44,614 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 22:36:44,614 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_90110e3b-d66a-485b-89e1-f2d0297204d3/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-01 22:36:44,621 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 22:36:44,621 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 22:36:44,621 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 22:36:44,621 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-01 22:36:44,622 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 22:36:44,622 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 22:36:44,622 INFO L133 SettingsManager]: * Use SBE=true [2018-12-01 22:36:44,622 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 22:36:44,622 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 22:36:44,622 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 22:36:44,622 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 22:36:44,622 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 22:36:44,622 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 22:36:44,623 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 22:36:44,623 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 22:36:44,623 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 22:36:44,623 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 22:36:44,623 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 22:36:44,623 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 22:36:44,623 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 22:36:44,623 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-01 22:36:44,623 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 22:36:44,623 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-01 22:36:44,623 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-01 22:36:44,624 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 22:36:44,624 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 22:36:44,624 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 22:36:44,624 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-01 22:36:44,624 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 22:36:44,624 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 22:36:44,624 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_90110e3b-d66a-485b-89e1-f2d0297204d3/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 -> 96fab9ebc0a7c1449817f0fde656dfd4d62824fd [2018-12-01 22:36:44,640 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 22:36:44,647 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 22:36:44,649 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 22:36:44,649 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 22:36:44,650 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 22:36:44,650 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_90110e3b-d66a-485b-89e1-f2d0297204d3/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product50_true-unreach-call_false-termination.cil.c [2018-12-01 22:36:44,682 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_90110e3b-d66a-485b-89e1-f2d0297204d3/bin-2019/uautomizer/data/304b43079/9e73bc0f16ad4d20bb945b8b1db31fcb/FLAG7f1630bac [2018-12-01 22:36:45,076 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 22:36:45,077 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_90110e3b-d66a-485b-89e1-f2d0297204d3/sv-benchmarks/c/product-lines/minepump_spec4_product50_true-unreach-call_false-termination.cil.c [2018-12-01 22:36:45,083 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_90110e3b-d66a-485b-89e1-f2d0297204d3/bin-2019/uautomizer/data/304b43079/9e73bc0f16ad4d20bb945b8b1db31fcb/FLAG7f1630bac [2018-12-01 22:36:45,091 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_90110e3b-d66a-485b-89e1-f2d0297204d3/bin-2019/uautomizer/data/304b43079/9e73bc0f16ad4d20bb945b8b1db31fcb [2018-12-01 22:36:45,093 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 22:36:45,094 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 22:36:45,094 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 22:36:45,094 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 22:36:45,096 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 22:36:45,097 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 10:36:45" (1/1) ... [2018-12-01 22:36:45,098 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cc82c98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:36:45, skipping insertion in model container [2018-12-01 22:36:45,098 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 10:36:45" (1/1) ... [2018-12-01 22:36:45,102 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 22:36:45,123 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 22:36:45,269 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 22:36:45,276 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 22:36:45,351 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 22:36:45,366 INFO L195 MainTranslator]: Completed translation [2018-12-01 22:36:45,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:36:45 WrapperNode [2018-12-01 22:36:45,366 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 22:36:45,366 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 22:36:45,366 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 22:36:45,367 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 22:36:45,372 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:36:45" (1/1) ... [2018-12-01 22:36:45,381 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:36:45" (1/1) ... [2018-12-01 22:36:45,386 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 22:36:45,387 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 22:36:45,387 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 22:36:45,387 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 22:36:45,392 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:36:45" (1/1) ... [2018-12-01 22:36:45,392 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:36:45" (1/1) ... [2018-12-01 22:36:45,394 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:36:45" (1/1) ... [2018-12-01 22:36:45,395 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:36:45" (1/1) ... [2018-12-01 22:36:45,400 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:36:45" (1/1) ... [2018-12-01 22:36:45,404 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:36:45" (1/1) ... [2018-12-01 22:36:45,405 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:36:45" (1/1) ... [2018-12-01 22:36:45,407 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 22:36:45,407 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 22:36:45,407 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 22:36:45,408 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 22:36:45,408 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:36:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_90110e3b-d66a-485b-89e1-f2d0297204d3/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-01 22:36:45,440 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-01 22:36:45,441 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-01 22:36:45,441 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-12-01 22:36:45,441 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-12-01 22:36:45,441 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-01 22:36:45,441 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-01 22:36:45,441 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-01 22:36:45,441 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-01 22:36:45,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 22:36:45,441 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-01 22:36:45,441 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-01 22:36:45,441 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-01 22:36:45,441 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-01 22:36:45,441 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-01 22:36:45,442 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-01 22:36:45,442 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-01 22:36:45,442 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-01 22:36:45,442 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-01 22:36:45,442 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-01 22:36:45,442 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-01 22:36:45,442 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-01 22:36:45,442 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-01 22:36:45,442 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-01 22:36:45,442 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-01 22:36:45,442 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-01 22:36:45,442 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-01 22:36:45,443 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-01 22:36:45,443 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-01 22:36:45,443 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-01 22:36:45,443 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-01 22:36:45,443 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-01 22:36:45,443 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-01 22:36:45,443 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-01 22:36:45,443 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-01 22:36:45,443 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-01 22:36:45,444 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-01 22:36:45,444 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-01 22:36:45,444 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-01 22:36:45,444 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-01 22:36:45,444 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-01 22:36:45,444 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-01 22:36:45,444 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-01 22:36:45,444 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-01 22:36:45,445 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-01 22:36:45,445 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-01 22:36:45,445 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-01 22:36:45,445 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-01 22:36:45,445 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-01 22:36:45,445 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-01 22:36:45,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-01 22:36:45,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-01 22:36:45,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-01 22:36:45,446 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-01 22:36:45,446 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-01 22:36:45,446 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-01 22:36:45,446 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-01 22:36:45,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 22:36:45,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 22:36:45,753 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 22:36:45,753 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-01 22:36:45,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:36:45 BoogieIcfgContainer [2018-12-01 22:36:45,753 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 22:36:45,754 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-01 22:36:45,754 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-01 22:36:45,757 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-01 22:36:45,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 10:36:45" (1/3) ... [2018-12-01 22:36:45,757 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6494fdce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 10:36:45, skipping insertion in model container [2018-12-01 22:36:45,758 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:36:45" (2/3) ... [2018-12-01 22:36:45,758 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6494fdce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 10:36:45, skipping insertion in model container [2018-12-01 22:36:45,758 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:36:45" (3/3) ... [2018-12-01 22:36:45,759 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product50_true-unreach-call_false-termination.cil.c [2018-12-01 22:36:45,768 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-01 22:36:45,774 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-01 22:36:45,783 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-01 22:36:45,800 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-01 22:36:45,801 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-01 22:36:45,801 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-01 22:36:45,801 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-01 22:36:45,801 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-01 22:36:45,801 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-01 22:36:45,801 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-01 22:36:45,801 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-01 22:36:45,801 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-01 22:36:45,818 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states. [2018-12-01 22:36:45,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-01 22:36:45,824 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:36:45,825 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] [2018-12-01 22:36:45,826 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:36:45,829 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:36:45,830 INFO L82 PathProgramCache]: Analyzing trace with hash -1165860075, now seen corresponding path program 1 times [2018-12-01 22:36:45,831 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 22:36:45,831 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 22:36:45,858 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:36:45,858 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:36:45,858 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:36:45,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:36:45,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:36:45,965 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:36:45,965 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-01 22:36:45,967 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-01 22:36:45,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-01 22:36:45,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-01 22:36:45,976 INFO L87 Difference]: Start difference. First operand 145 states. Second operand 2 states. [2018-12-01 22:36:45,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:36:45,998 INFO L93 Difference]: Finished difference Result 264 states and 325 transitions. [2018-12-01 22:36:45,998 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-01 22:36:45,998 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-01 22:36:45,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:36:46,005 INFO L225 Difference]: With dead ends: 264 [2018-12-01 22:36:46,005 INFO L226 Difference]: Without dead ends: 132 [2018-12-01 22:36:46,007 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-01 22:36:46,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2018-12-01 22:36:46,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2018-12-01 22:36:46,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2018-12-01 22:36:46,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 154 transitions. [2018-12-01 22:36:46,036 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 154 transitions. Word has length 46 [2018-12-01 22:36:46,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:36:46,036 INFO L480 AbstractCegarLoop]: Abstraction has 132 states and 154 transitions. [2018-12-01 22:36:46,036 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-01 22:36:46,036 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 154 transitions. [2018-12-01 22:36:46,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-01 22:36:46,038 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:36:46,038 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] [2018-12-01 22:36:46,038 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:36:46,038 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:36:46,038 INFO L82 PathProgramCache]: Analyzing trace with hash -1493628662, now seen corresponding path program 1 times [2018-12-01 22:36:46,038 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 22:36:46,038 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 22:36:46,039 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:36:46,039 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:36:46,039 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:36:46,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:36:46,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:36:46,096 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:36:46,096 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 22:36:46,097 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 22:36:46,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 22:36:46,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 22:36:46,098 INFO L87 Difference]: Start difference. First operand 132 states and 154 transitions. Second operand 3 states. [2018-12-01 22:36:46,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:36:46,109 INFO L93 Difference]: Finished difference Result 209 states and 243 transitions. [2018-12-01 22:36:46,110 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 22:36:46,110 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-01 22:36:46,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:36:46,111 INFO L225 Difference]: With dead ends: 209 [2018-12-01 22:36:46,111 INFO L226 Difference]: Without dead ends: 123 [2018-12-01 22:36:46,111 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 22:36:46,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2018-12-01 22:36:46,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2018-12-01 22:36:46,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2018-12-01 22:36:46,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 142 transitions. [2018-12-01 22:36:46,119 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 142 transitions. Word has length 47 [2018-12-01 22:36:46,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:36:46,119 INFO L480 AbstractCegarLoop]: Abstraction has 123 states and 142 transitions. [2018-12-01 22:36:46,119 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 22:36:46,119 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 142 transitions. [2018-12-01 22:36:46,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-01 22:36:46,120 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:36:46,120 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:36:46,120 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:36:46,120 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:36:46,120 INFO L82 PathProgramCache]: Analyzing trace with hash -252850339, now seen corresponding path program 1 times [2018-12-01 22:36:46,120 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 22:36:46,120 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 22:36:46,121 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:36:46,121 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:36:46,121 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:36:46,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:36:46,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:36:46,197 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:36:46,197 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-01 22:36:46,197 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-01 22:36:46,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-01 22:36:46,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-01 22:36:46,198 INFO L87 Difference]: Start difference. First operand 123 states and 142 transitions. Second operand 7 states. [2018-12-01 22:36:46,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:36:46,330 INFO L93 Difference]: Finished difference Result 222 states and 261 transitions. [2018-12-01 22:36:46,330 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-01 22:36:46,330 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-12-01 22:36:46,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:36:46,331 INFO L225 Difference]: With dead ends: 222 [2018-12-01 22:36:46,331 INFO L226 Difference]: Without dead ends: 123 [2018-12-01 22:36:46,332 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 [2018-12-01 22:36:46,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2018-12-01 22:36:46,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2018-12-01 22:36:46,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2018-12-01 22:36:46,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 141 transitions. [2018-12-01 22:36:46,339 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 141 transitions. Word has length 52 [2018-12-01 22:36:46,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:36:46,339 INFO L480 AbstractCegarLoop]: Abstraction has 123 states and 141 transitions. [2018-12-01 22:36:46,339 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-01 22:36:46,339 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 141 transitions. [2018-12-01 22:36:46,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-01 22:36:46,340 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:36:46,340 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:36:46,340 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:36:46,341 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:36:46,341 INFO L82 PathProgramCache]: Analyzing trace with hash 207379814, now seen corresponding path program 1 times [2018-12-01 22:36:46,341 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 22:36:46,341 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 22:36:46,341 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:36:46,341 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:36:46,342 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:36:46,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:36:46,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:36:46,401 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:36:46,401 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-01 22:36:46,401 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-01 22:36:46,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-01 22:36:46,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-01 22:36:46,402 INFO L87 Difference]: Start difference. First operand 123 states and 141 transitions. Second operand 5 states. [2018-12-01 22:36:46,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:36:46,735 INFO L93 Difference]: Finished difference Result 321 states and 385 transitions. [2018-12-01 22:36:46,736 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-01 22:36:46,736 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2018-12-01 22:36:46,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:36:46,738 INFO L225 Difference]: With dead ends: 321 [2018-12-01 22:36:46,738 INFO L226 Difference]: Without dead ends: 222 [2018-12-01 22:36:46,739 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-01 22:36:46,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2018-12-01 22:36:46,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 203. [2018-12-01 22:36:46,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2018-12-01 22:36:46,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 230 transitions. [2018-12-01 22:36:46,758 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 230 transitions. Word has length 65 [2018-12-01 22:36:46,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:36:46,759 INFO L480 AbstractCegarLoop]: Abstraction has 203 states and 230 transitions. [2018-12-01 22:36:46,759 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-01 22:36:46,759 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 230 transitions. [2018-12-01 22:36:46,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-12-01 22:36:46,760 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:36:46,760 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:36:46,760 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:36:46,760 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:36:46,761 INFO L82 PathProgramCache]: Analyzing trace with hash -284843833, now seen corresponding path program 1 times [2018-12-01 22:36:46,761 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 22:36:46,761 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 22:36:46,761 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:36:46,762 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:36:46,762 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:36:46,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:36:46,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:36:46,842 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:36:46,843 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-01 22:36:46,843 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-01 22:36:46,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-01 22:36:46,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-01 22:36:46,843 INFO L87 Difference]: Start difference. First operand 203 states and 230 transitions. Second operand 10 states. [2018-12-01 22:36:47,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:36:47,101 INFO L93 Difference]: Finished difference Result 650 states and 804 transitions. [2018-12-01 22:36:47,101 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-01 22:36:47,101 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 79 [2018-12-01 22:36:47,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:36:47,103 INFO L225 Difference]: With dead ends: 650 [2018-12-01 22:36:47,103 INFO L226 Difference]: Without dead ends: 471 [2018-12-01 22:36:47,104 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-12-01 22:36:47,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2018-12-01 22:36:47,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 461. [2018-12-01 22:36:47,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 461 states. [2018-12-01 22:36:47,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 541 transitions. [2018-12-01 22:36:47,131 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 541 transitions. Word has length 79 [2018-12-01 22:36:47,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:36:47,132 INFO L480 AbstractCegarLoop]: Abstraction has 461 states and 541 transitions. [2018-12-01 22:36:47,132 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-01 22:36:47,132 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 541 transitions. [2018-12-01 22:36:47,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-12-01 22:36:47,135 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:36:47,135 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] [2018-12-01 22:36:47,135 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:36:47,135 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:36:47,136 INFO L82 PathProgramCache]: Analyzing trace with hash 1543926552, now seen corresponding path program 1 times [2018-12-01 22:36:47,136 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 22:36:47,136 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 22:36:47,137 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:36:47,137 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:36:47,137 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:36:47,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:36:47,216 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 22:36:47,216 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:36:47,216 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_90110e3b-d66a-485b-89e1-f2d0297204d3/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-01 22:36:47,224 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:36:47,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:36:47,305 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 22:36:47,344 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 22:36:47,359 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-01 22:36:47,359 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 6 [2018-12-01 22:36:47,360 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-01 22:36:47,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-01 22:36:47,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-01 22:36:47,360 INFO L87 Difference]: Start difference. First operand 461 states and 541 transitions. Second operand 6 states. [2018-12-01 22:36:47,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:36:47,390 INFO L93 Difference]: Finished difference Result 913 states and 1093 transitions. [2018-12-01 22:36:47,390 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-01 22:36:47,391 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 130 [2018-12-01 22:36:47,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:36:47,392 INFO L225 Difference]: With dead ends: 913 [2018-12-01 22:36:47,392 INFO L226 Difference]: Without dead ends: 476 [2018-12-01 22:36:47,393 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 128 SyntacticMatches, 3 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-01 22:36:47,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2018-12-01 22:36:47,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 476. [2018-12-01 22:36:47,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 476 states. [2018-12-01 22:36:47,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 557 transitions. [2018-12-01 22:36:47,411 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 557 transitions. Word has length 130 [2018-12-01 22:36:47,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:36:47,411 INFO L480 AbstractCegarLoop]: Abstraction has 476 states and 557 transitions. [2018-12-01 22:36:47,411 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-01 22:36:47,411 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 557 transitions. [2018-12-01 22:36:47,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-01 22:36:47,413 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:36:47,413 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:36:47,413 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:36:47,413 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:36:47,414 INFO L82 PathProgramCache]: Analyzing trace with hash 63811344, now seen corresponding path program 1 times [2018-12-01 22:36:47,414 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 22:36:47,414 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 22:36:47,414 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:36:47,415 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:36:47,415 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:36:47,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:36:47,474 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 22:36:47,474 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:36:47,474 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_90110e3b-d66a-485b-89e1-f2d0297204d3/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-01 22:36:47,480 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:36:47,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:36:47,562 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 22:36:47,665 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:36:47,681 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-01 22:36:47,681 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 14 [2018-12-01 22:36:47,682 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-12-01 22:36:47,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-12-01 22:36:47,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2018-12-01 22:36:47,682 INFO L87 Difference]: Start difference. First operand 476 states and 557 transitions. Second operand 14 states. [2018-12-01 22:36:48,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:36:48,799 INFO L93 Difference]: Finished difference Result 1219 states and 1598 transitions. [2018-12-01 22:36:48,799 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-12-01 22:36:48,800 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 134 [2018-12-01 22:36:48,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:36:48,803 INFO L225 Difference]: With dead ends: 1219 [2018-12-01 22:36:48,803 INFO L226 Difference]: Without dead ends: 767 [2018-12-01 22:36:48,805 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=140, Invalid=616, Unknown=0, NotChecked=0, Total=756 [2018-12-01 22:36:48,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 767 states. [2018-12-01 22:36:48,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 767 to 688. [2018-12-01 22:36:48,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 688 states. [2018-12-01 22:36:48,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 688 states and 826 transitions. [2018-12-01 22:36:48,845 INFO L78 Accepts]: Start accepts. Automaton has 688 states and 826 transitions. Word has length 134 [2018-12-01 22:36:48,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:36:48,845 INFO L480 AbstractCegarLoop]: Abstraction has 688 states and 826 transitions. [2018-12-01 22:36:48,845 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-12-01 22:36:48,846 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 826 transitions. [2018-12-01 22:36:48,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-01 22:36:48,847 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:36:48,847 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:36:48,847 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:36:48,847 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:36:48,847 INFO L82 PathProgramCache]: Analyzing trace with hash 1271729519, now seen corresponding path program 1 times [2018-12-01 22:36:48,847 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 22:36:48,847 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 22:36:48,848 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:36:48,848 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:36:48,848 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:36:48,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:36:48,890 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-01 22:36:48,890 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:36:48,890 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-01 22:36:48,890 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-01 22:36:48,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-01 22:36:48,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-01 22:36:48,891 INFO L87 Difference]: Start difference. First operand 688 states and 826 transitions. Second operand 6 states. [2018-12-01 22:36:48,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:36:48,922 INFO L93 Difference]: Finished difference Result 1304 states and 1588 transitions. [2018-12-01 22:36:48,922 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-01 22:36:48,922 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 134 [2018-12-01 22:36:48,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:36:48,924 INFO L225 Difference]: With dead ends: 1304 [2018-12-01 22:36:48,924 INFO L226 Difference]: Without dead ends: 703 [2018-12-01 22:36:48,925 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-01 22:36:48,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 703 states. [2018-12-01 22:36:48,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 703 to 703. [2018-12-01 22:36:48,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 703 states. [2018-12-01 22:36:48,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 703 states and 841 transitions. [2018-12-01 22:36:48,946 INFO L78 Accepts]: Start accepts. Automaton has 703 states and 841 transitions. Word has length 134 [2018-12-01 22:36:48,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:36:48,946 INFO L480 AbstractCegarLoop]: Abstraction has 703 states and 841 transitions. [2018-12-01 22:36:48,946 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-01 22:36:48,946 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 841 transitions. [2018-12-01 22:36:48,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-01 22:36:48,947 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:36:48,947 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:36:48,947 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:36:48,947 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:36:48,948 INFO L82 PathProgramCache]: Analyzing trace with hash 762256429, now seen corresponding path program 1 times [2018-12-01 22:36:48,948 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 22:36:48,948 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 22:36:48,948 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:36:48,948 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:36:48,948 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:36:48,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:36:48,984 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-01 22:36:48,984 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:36:48,985 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-01 22:36:48,985 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-01 22:36:48,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-01 22:36:48,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-01 22:36:48,985 INFO L87 Difference]: Start difference. First operand 703 states and 841 transitions. Second operand 6 states. [2018-12-01 22:36:49,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:36:49,072 INFO L93 Difference]: Finished difference Result 720 states and 860 transitions. [2018-12-01 22:36:49,072 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-01 22:36:49,073 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 134 [2018-12-01 22:36:49,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:36:49,075 INFO L225 Difference]: With dead ends: 720 [2018-12-01 22:36:49,075 INFO L226 Difference]: Without dead ends: 717 [2018-12-01 22:36:49,076 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-01 22:36:49,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 717 states. [2018-12-01 22:36:49,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 717 to 703. [2018-12-01 22:36:49,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 703 states. [2018-12-01 22:36:49,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 703 states and 837 transitions. [2018-12-01 22:36:49,106 INFO L78 Accepts]: Start accepts. Automaton has 703 states and 837 transitions. Word has length 134 [2018-12-01 22:36:49,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:36:49,106 INFO L480 AbstractCegarLoop]: Abstraction has 703 states and 837 transitions. [2018-12-01 22:36:49,106 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-01 22:36:49,107 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 837 transitions. [2018-12-01 22:36:49,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-01 22:36:49,108 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:36:49,108 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] [2018-12-01 22:36:49,108 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:36:49,108 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:36:49,108 INFO L82 PathProgramCache]: Analyzing trace with hash -559589397, now seen corresponding path program 1 times [2018-12-01 22:36:49,108 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 22:36:49,108 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 22:36:49,109 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:36:49,109 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:36:49,109 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:36:49,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:36:49,190 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 19 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-01 22:36:49,190 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:36:49,190 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_90110e3b-d66a-485b-89e1-f2d0297204d3/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 [2018-12-01 22:36:49,198 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:36:49,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:36:49,265 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 22:36:49,310 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:36:49,335 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-01 22:36:49,336 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 14 [2018-12-01 22:36:49,336 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-12-01 22:36:49,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-12-01 22:36:49,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2018-12-01 22:36:49,336 INFO L87 Difference]: Start difference. First operand 703 states and 837 transitions. Second operand 14 states. [2018-12-01 22:36:50,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:36:50,105 INFO L93 Difference]: Finished difference Result 1400 states and 1752 transitions. [2018-12-01 22:36:50,105 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-12-01 22:36:50,105 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 138 [2018-12-01 22:36:50,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:36:50,107 INFO L225 Difference]: With dead ends: 1400 [2018-12-01 22:36:50,107 INFO L226 Difference]: Without dead ends: 784 [2018-12-01 22:36:50,108 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 141 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=173, Invalid=529, Unknown=0, NotChecked=0, Total=702 [2018-12-01 22:36:50,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 784 states. [2018-12-01 22:36:50,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 784 to 685. [2018-12-01 22:36:50,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 685 states. [2018-12-01 22:36:50,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 685 states and 815 transitions. [2018-12-01 22:36:50,133 INFO L78 Accepts]: Start accepts. Automaton has 685 states and 815 transitions. Word has length 138 [2018-12-01 22:36:50,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:36:50,133 INFO L480 AbstractCegarLoop]: Abstraction has 685 states and 815 transitions. [2018-12-01 22:36:50,133 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-12-01 22:36:50,133 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 815 transitions. [2018-12-01 22:36:50,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-12-01 22:36:50,134 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:36:50,134 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-01 22:36:50,135 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:36:50,135 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:36:50,135 INFO L82 PathProgramCache]: Analyzing trace with hash -696168030, now seen corresponding path program 2 times [2018-12-01 22:36:50,135 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 22:36:50,135 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 22:36:50,135 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:36:50,135 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:36:50,136 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:36:50,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:36:50,198 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 45 proven. 12 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-12-01 22:36:50,198 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:36:50,198 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_90110e3b-d66a-485b-89e1-f2d0297204d3/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 [2018-12-01 22:36:50,204 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-12-01 22:36:50,287 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-12-01 22:36:50,287 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-01 22:36:50,292 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 22:36:50,401 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-01 22:36:50,417 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-01 22:36:50,417 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [8] total 14 [2018-12-01 22:36:50,417 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-12-01 22:36:50,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-12-01 22:36:50,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2018-12-01 22:36:50,418 INFO L87 Difference]: Start difference. First operand 685 states and 815 transitions. Second operand 14 states. [2018-12-01 22:36:51,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:36:51,203 INFO L93 Difference]: Finished difference Result 1659 states and 2017 transitions. [2018-12-01 22:36:51,204 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-01 22:36:51,204 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 192 [2018-12-01 22:36:51,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:36:51,208 INFO L225 Difference]: With dead ends: 1659 [2018-12-01 22:36:51,208 INFO L226 Difference]: Without dead ends: 1059 [2018-12-01 22:36:51,210 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=164, Invalid=538, Unknown=0, NotChecked=0, Total=702 [2018-12-01 22:36:51,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1059 states. [2018-12-01 22:36:51,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1059 to 983. [2018-12-01 22:36:51,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 983 states. [2018-12-01 22:36:51,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 983 states to 983 states and 1143 transitions. [2018-12-01 22:36:51,257 INFO L78 Accepts]: Start accepts. Automaton has 983 states and 1143 transitions. Word has length 192 [2018-12-01 22:36:51,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:36:51,257 INFO L480 AbstractCegarLoop]: Abstraction has 983 states and 1143 transitions. [2018-12-01 22:36:51,257 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-12-01 22:36:51,257 INFO L276 IsEmpty]: Start isEmpty. Operand 983 states and 1143 transitions. [2018-12-01 22:36:51,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-12-01 22:36:51,260 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:36:51,260 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:36:51,260 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:36:51,260 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:36:51,261 INFO L82 PathProgramCache]: Analyzing trace with hash 1640224480, now seen corresponding path program 1 times [2018-12-01 22:36:51,261 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 22:36:51,261 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 22:36:51,261 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:36:51,261 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-01 22:36:51,261 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:36:51,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:36:51,347 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 41 proven. 8 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2018-12-01 22:36:51,347 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:36:51,347 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_90110e3b-d66a-485b-89e1-f2d0297204d3/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 [2018-12-01 22:36:51,354 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:36:51,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:36:51,429 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 22:36:51,501 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-01 22:36:51,517 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-01 22:36:51,517 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2018-12-01 22:36:51,517 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-12-01 22:36:51,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-12-01 22:36:51,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-12-01 22:36:51,518 INFO L87 Difference]: Start difference. First operand 983 states and 1143 transitions. Second operand 13 states. [2018-12-01 22:36:51,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:36:51,569 INFO L93 Difference]: Finished difference Result 1323 states and 1536 transitions. [2018-12-01 22:36:51,569 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-01 22:36:51,569 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 192 [2018-12-01 22:36:51,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:36:51,570 INFO L225 Difference]: With dead ends: 1323 [2018-12-01 22:36:51,570 INFO L226 Difference]: Without dead ends: 0 [2018-12-01 22:36:51,572 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2018-12-01 22:36:51,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-01 22:36:51,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-01 22:36:51,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-01 22:36:51,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-01 22:36:51,573 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 192 [2018-12-01 22:36:51,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:36:51,573 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-01 22:36:51,573 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-12-01 22:36:51,574 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-01 22:36:51,574 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-01 22:36:51,577 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-01 22:36:51,642 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:36:51,643 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:36:51,643 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:36:51,687 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:36:51,701 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:36:51,701 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:36:51,703 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:36:51,705 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:36:51,705 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:36:51,705 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:36:51,722 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:36:51,723 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:36:51,723 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:36:51,723 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:36:51,724 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:36:51,724 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:36:51,725 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:36:51,726 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:36:51,726 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:36:51,727 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:36:51,728 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:36:51,730 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:36:51,730 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:36:51,731 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:36:51,757 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:36:51,758 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:36:51,760 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:36:51,763 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:36:51,763 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:36:51,764 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:36:52,890 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 566 572) the Hoare annotation is: true [2018-12-01 22:36:52,890 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 566 572) no Hoare annotation was computed. [2018-12-01 22:36:52,890 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 573 581) no Hoare annotation was computed. [2018-12-01 22:36:52,890 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 573 581) the Hoare annotation is: true [2018-12-01 22:36:52,890 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 573 581) no Hoare annotation was computed. [2018-12-01 22:36:52,890 INFO L448 ceAbstractionStarter]: For program point L417(lines 417 430) no Hoare annotation was computed. [2018-12-01 22:36:52,890 INFO L448 ceAbstractionStarter]: For program point L417-1(lines 409 433) no Hoare annotation was computed. [2018-12-01 22:36:52,890 INFO L451 ceAbstractionStarter]: At program point L415(line 415) the Hoare annotation is: true [2018-12-01 22:36:52,890 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 409 433) the Hoare annotation is: true [2018-12-01 22:36:52,890 INFO L448 ceAbstractionStarter]: For program point L415-1(line 415) no Hoare annotation was computed. [2018-12-01 22:36:52,890 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 409 433) no Hoare annotation was computed. [2018-12-01 22:36:52,891 INFO L444 ceAbstractionStarter]: At program point L423(line 423) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 ~pumpRunning~0)) (< ~waterLevel~0 1) .cse0) (or (< ~waterLevel~0 2) .cse0))) [2018-12-01 22:36:52,891 INFO L448 ceAbstractionStarter]: For program point L421(lines 421 427) no Hoare annotation was computed. [2018-12-01 22:36:52,891 INFO L444 ceAbstractionStarter]: At program point L419(line 419) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 ~pumpRunning~0)) (< ~waterLevel~0 1) .cse0) (or (< ~waterLevel~0 2) .cse0))) [2018-12-01 22:36:52,891 INFO L448 ceAbstractionStarter]: For program point L419-1(line 419) no Hoare annotation was computed. [2018-12-01 22:36:52,891 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 515 537) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))) [2018-12-01 22:36:52,891 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 515 537) no Hoare annotation was computed. [2018-12-01 22:36:52,891 INFO L444 ceAbstractionStarter]: At program point L527(line 527) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~4 ~waterLevel~0) (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-01 22:36:52,891 INFO L444 ceAbstractionStarter]: At program point L527-1(line 527) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~4 ~waterLevel~0) (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-01 22:36:52,891 INFO L448 ceAbstractionStarter]: For program point L525(lines 525 532) no Hoare annotation was computed. [2018-12-01 22:36:52,891 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 515 537) no Hoare annotation was computed. [2018-12-01 22:36:52,891 INFO L448 ceAbstractionStarter]: For program point L525-1(lines 525 532) no Hoare annotation was computed. [2018-12-01 22:36:52,891 INFO L448 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-12-01 22:36:52,891 INFO L444 ceAbstractionStarter]: At program point L522(line 522) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))) [2018-12-01 22:36:52,891 INFO L444 ceAbstractionStarter]: At program point L521(line 521) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))) [2018-12-01 22:36:52,891 INFO L444 ceAbstractionStarter]: At program point L521-1(line 521) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))) [2018-12-01 22:36:52,891 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 807 815) no Hoare annotation was computed. [2018-12-01 22:36:52,891 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 807 815) the Hoare annotation is: true [2018-12-01 22:36:52,891 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 807 815) no Hoare annotation was computed. [2018-12-01 22:36:52,891 INFO L448 ceAbstractionStarter]: For program point L880(lines 880 884) no Hoare annotation was computed. [2018-12-01 22:36:52,892 INFO L451 ceAbstractionStarter]: At program point L878(line 878) the Hoare annotation is: true [2018-12-01 22:36:52,892 INFO L448 ceAbstractionStarter]: For program point L880-2(lines 880 884) no Hoare annotation was computed. [2018-12-01 22:36:52,892 INFO L448 ceAbstractionStarter]: For program point L878-1(line 878) no Hoare annotation was computed. [2018-12-01 22:36:52,892 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 871 889) the Hoare annotation is: true [2018-12-01 22:36:52,892 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 871 889) no Hoare annotation was computed. [2018-12-01 22:36:52,892 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 871 889) no Hoare annotation was computed. [2018-12-01 22:36:52,892 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 559 565) no Hoare annotation was computed. [2018-12-01 22:36:52,892 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 559 565) the Hoare annotation is: true [2018-12-01 22:36:52,892 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 502 511) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))) [2018-12-01 22:36:52,892 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 502 511) no Hoare annotation was computed. [2018-12-01 22:36:52,892 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 502 511) no Hoare annotation was computed. [2018-12-01 22:36:52,892 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 788 795) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 1) (= |old(~pumpRunning~0)| 0) (not (= ~systemActive~0 1))) [2018-12-01 22:36:52,892 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 788 795) no Hoare annotation was computed. [2018-12-01 22:36:52,892 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 788 795) no Hoare annotation was computed. [2018-12-01 22:36:52,892 INFO L444 ceAbstractionStarter]: At program point L769(line 769) the Hoare annotation is: (or (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-12-01 22:36:52,892 INFO L444 ceAbstractionStarter]: At program point L765(line 765) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 .cse1 (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= processEnvironment_~tmp~6 1))))) [2018-12-01 22:36:52,892 INFO L448 ceAbstractionStarter]: For program point L763(lines 763 771) no Hoare annotation was computed. [2018-12-01 22:36:52,892 INFO L444 ceAbstractionStarter]: At program point L761(line 761) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 .cse1))) [2018-12-01 22:36:52,892 INFO L448 ceAbstractionStarter]: For program point L761-1(line 761) no Hoare annotation was computed. [2018-12-01 22:36:52,892 INFO L448 ceAbstractionStarter]: For program point L759(lines 759 776) no Hoare annotation was computed. [2018-12-01 22:36:52,892 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 755 779) no Hoare annotation was computed. [2018-12-01 22:36:52,892 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 755 779) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-12-01 22:36:52,893 INFO L444 ceAbstractionStarter]: At program point L774(line 774) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (= |old(~pumpRunning~0)| 0) .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 .cse1))) [2018-12-01 22:36:52,893 INFO L448 ceAbstractionStarter]: For program point L774-1(lines 755 779) no Hoare annotation was computed. [2018-12-01 22:36:52,893 INFO L448 ceAbstractionStarter]: For program point L671(lines 671 677) no Hoare annotation was computed. [2018-12-01 22:36:52,893 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 667 680) no Hoare annotation was computed. [2018-12-01 22:36:52,893 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 667 680) the Hoare annotation is: true [2018-12-01 22:36:52,893 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 667 680) no Hoare annotation was computed. [2018-12-01 22:36:52,893 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 721 727) no Hoare annotation was computed. [2018-12-01 22:36:52,893 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 721 727) the Hoare annotation is: true [2018-12-01 22:36:52,893 INFO L448 ceAbstractionStarter]: For program point L929(lines 929 935) no Hoare annotation was computed. [2018-12-01 22:36:52,893 INFO L448 ceAbstractionStarter]: For program point L929-1(lines 929 935) no Hoare annotation was computed. [2018-12-01 22:36:52,893 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 899 964) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))) [2018-12-01 22:36:52,893 INFO L444 ceAbstractionStarter]: At program point L954(lines 909 956) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 .cse1) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-12-01 22:36:52,893 INFO L444 ceAbstractionStarter]: At program point L921(line 921) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)))) [2018-12-01 22:36:52,893 INFO L448 ceAbstractionStarter]: For program point L919(lines 919 925) no Hoare annotation was computed. [2018-12-01 22:36:52,893 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 899 964) no Hoare annotation was computed. [2018-12-01 22:36:52,893 INFO L448 ceAbstractionStarter]: For program point L919-1(lines 919 925) no Hoare annotation was computed. [2018-12-01 22:36:52,893 INFO L448 ceAbstractionStarter]: For program point L911(lines 911 915) no Hoare annotation was computed. [2018-12-01 22:36:52,893 INFO L444 ceAbstractionStarter]: At program point L957(lines 908 958) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-01 22:36:52,893 INFO L448 ceAbstractionStarter]: For program point L947(lines 947 951) no Hoare annotation was computed. [2018-12-01 22:36:52,893 INFO L444 ceAbstractionStarter]: At program point L947-2(lines 939 952) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-12-01 22:36:52,894 INFO L448 ceAbstractionStarter]: For program point L910(lines 909 956) no Hoare annotation was computed. [2018-12-01 22:36:52,894 INFO L444 ceAbstractionStarter]: At program point L941(line 941) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-12-01 22:36:52,894 INFO L448 ceAbstractionStarter]: For program point L939(lines 939 952) no Hoare annotation was computed. [2018-12-01 22:36:52,894 INFO L444 ceAbstractionStarter]: At program point L931(line 931) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-12-01 22:36:52,894 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 899 964) no Hoare annotation was computed. [2018-12-01 22:36:52,894 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 681 689) no Hoare annotation was computed. [2018-12-01 22:36:52,894 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 681 689) the Hoare annotation is: true [2018-12-01 22:36:52,894 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 681 689) no Hoare annotation was computed. [2018-12-01 22:36:52,894 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-01 22:36:52,894 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)) [2018-12-01 22:36:52,894 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-01 22:36:52,894 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 780 787) no Hoare annotation was computed. [2018-12-01 22:36:52,894 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 780 787) no Hoare annotation was computed. [2018-12-01 22:36:52,894 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 780 787) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 2) (not (= ~systemActive~0 1))) [2018-12-01 22:36:52,894 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 852 870) no Hoare annotation was computed. [2018-12-01 22:36:52,894 INFO L448 ceAbstractionStarter]: For program point L861(lines 861 865) no Hoare annotation was computed. [2018-12-01 22:36:52,894 INFO L451 ceAbstractionStarter]: At program point L859(line 859) the Hoare annotation is: true [2018-12-01 22:36:52,894 INFO L448 ceAbstractionStarter]: For program point L861-2(lines 861 865) no Hoare annotation was computed. [2018-12-01 22:36:52,894 INFO L448 ceAbstractionStarter]: For program point L859-1(line 859) no Hoare annotation was computed. [2018-12-01 22:36:52,894 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 852 870) the Hoare annotation is: true [2018-12-01 22:36:52,894 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 852 870) no Hoare annotation was computed. [2018-12-01 22:36:52,895 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 658 666) the Hoare annotation is: true [2018-12-01 22:36:52,895 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 658 666) no Hoare annotation was computed. [2018-12-01 22:36:52,895 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 658 666) no Hoare annotation was computed. [2018-12-01 22:36:52,895 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 614 625) the Hoare annotation is: true [2018-12-01 22:36:52,895 INFO L448 ceAbstractionStarter]: For program point L618-1(lines 614 625) no Hoare annotation was computed. [2018-12-01 22:36:52,895 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 614 625) no Hoare annotation was computed. [2018-12-01 22:36:52,895 INFO L444 ceAbstractionStarter]: At program point L703(line 703) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (< |old(~waterLevel~0)| 2) .cse0)) (or (not (= 0 |old(~pumpRunning~0)|)) (< |old(~waterLevel~0)| 1) .cse0))) [2018-12-01 22:36:52,895 INFO L448 ceAbstractionStarter]: For program point L701(lines 700 719) no Hoare annotation was computed. [2018-12-01 22:36:52,895 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 697 720) the Hoare annotation is: (let ((.cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (or (< |old(~waterLevel~0)| 2) .cse1)) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 (< |old(~waterLevel~0)| 1) .cse1))) [2018-12-01 22:36:52,895 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 697 720) no Hoare annotation was computed. [2018-12-01 22:36:52,895 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 697 720) no Hoare annotation was computed. [2018-12-01 22:36:52,895 INFO L444 ceAbstractionStarter]: At program point L710(line 710) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse0) (< |old(~waterLevel~0)| 1) .cse1) (or (let ((.cse2 (+ ~waterLevel~0 1))) (and (<= .cse2 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| .cse2) .cse0)) (and (= 0 ~pumpRunning~0) .cse0) (or (< |old(~waterLevel~0)| 2) .cse1)))) [2018-12-01 22:36:52,895 INFO L444 ceAbstractionStarter]: At program point L708(lines 708 714) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (not (= ~systemActive~0 1)))) (and (or (<= 2 |old(~waterLevel~0)|) (not (= 0 |old(~pumpRunning~0)|)) (< |old(~waterLevel~0)| 1) .cse0 (and .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or .cse1 (let ((.cse2 (+ ~waterLevel~0 1))) (and (<= .cse2 |old(~waterLevel~0)|) (not (= |old(~pumpRunning~0)| 0)) (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| .cse2))) (or (< |old(~waterLevel~0)| 2) .cse0)))) [2018-12-01 22:36:52,895 INFO L448 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-12-01 22:36:52,895 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 437 466) no Hoare annotation was computed. [2018-12-01 22:36:52,895 INFO L451 ceAbstractionStarter]: At program point L447-2(lines 447 461) the Hoare annotation is: true [2018-12-01 22:36:52,895 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 437 466) the Hoare annotation is: true [2018-12-01 22:36:52,895 INFO L451 ceAbstractionStarter]: At program point L443(line 443) the Hoare annotation is: true [2018-12-01 22:36:52,895 INFO L448 ceAbstractionStarter]: For program point L443-1(line 443) no Hoare annotation was computed. [2018-12-01 22:36:52,895 INFO L451 ceAbstractionStarter]: At program point L462(lines 437 466) the Hoare annotation is: true [2018-12-01 22:36:52,896 INFO L448 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-12-01 22:36:52,896 INFO L448 ceAbstractionStarter]: For program point L451(lines 451 455) no Hoare annotation was computed. [2018-12-01 22:36:52,896 INFO L451 ceAbstractionStarter]: At program point L451-1(lines 451 455) the Hoare annotation is: true [2018-12-01 22:36:52,896 INFO L448 ceAbstractionStarter]: For program point L594-1(lines 590 601) no Hoare annotation was computed. [2018-12-01 22:36:52,896 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 590 601) the Hoare annotation is: (or (= ~waterLevel~0 |old(~waterLevel~0)|) (or (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) (< |old(~waterLevel~0)| 2)) [2018-12-01 22:36:52,896 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 590 601) no Hoare annotation was computed. [2018-12-01 22:36:52,896 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 494 500) no Hoare annotation was computed. [2018-12-01 22:36:52,896 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 494 500) the Hoare annotation is: true [2018-12-01 22:36:52,896 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-01 22:36:52,896 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) (= ~systemActive~0 1) (< ~waterLevel~0 2)) [2018-12-01 22:36:52,896 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-01 22:36:52,896 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-01 22:36:52,896 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 890 897) no Hoare annotation was computed. [2018-12-01 22:36:52,896 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 890 897) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (not (= |old(~systemActive~0)| 1)))) (and (or .cse0 (or (< ~waterLevel~0 2) .cse1)) (or (not (= 0 ~pumpRunning~0)) .cse0 (< ~waterLevel~0 1) .cse1))) [2018-12-01 22:36:52,896 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 890 897) no Hoare annotation was computed. [2018-12-01 22:36:52,896 INFO L448 ceAbstractionStarter]: For program point L737(lines 737 745) no Hoare annotation was computed. [2018-12-01 22:36:52,896 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 729 753) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-12-01 22:36:52,896 INFO L444 ceAbstractionStarter]: At program point L735(line 735) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-12-01 22:36:52,896 INFO L448 ceAbstractionStarter]: For program point L735-1(line 735) no Hoare annotation was computed. [2018-12-01 22:36:52,896 INFO L448 ceAbstractionStarter]: For program point L733(lines 733 750) no Hoare annotation was computed. [2018-12-01 22:36:52,896 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 729 753) no Hoare annotation was computed. [2018-12-01 22:36:52,896 INFO L444 ceAbstractionStarter]: At program point L748(line 748) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-12-01 22:36:52,897 INFO L448 ceAbstractionStarter]: For program point L748-1(lines 729 753) no Hoare annotation was computed. [2018-12-01 22:36:52,897 INFO L444 ceAbstractionStarter]: At program point L743(line 743) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1) (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~5) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-12-01 22:36:52,897 INFO L444 ceAbstractionStarter]: At program point L739(line 739) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-12-01 22:36:52,897 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 602 613) no Hoare annotation was computed. [2018-12-01 22:36:52,897 INFO L448 ceAbstractionStarter]: For program point L606-1(lines 602 613) no Hoare annotation was computed. [2018-12-01 22:36:52,897 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 602 613) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (< |old(~waterLevel~0)| 2) .cse1) (or .cse1 (< |old(~waterLevel~0)| 1) (or (not (= 0 ~pumpRunning~0)) .cse0)))) [2018-12-01 22:36:52,897 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 539 546) no Hoare annotation was computed. [2018-12-01 22:36:52,897 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 543) no Hoare annotation was computed. [2018-12-01 22:36:52,897 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 539 546) the Hoare annotation is: true [2018-12-01 22:36:52,897 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 539 546) no Hoare annotation was computed. [2018-12-01 22:36:52,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 10:36:52 BoogieIcfgContainer [2018-12-01 22:36:52,904 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-01 22:36:52,904 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 22:36:52,904 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 22:36:52,904 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 22:36:52,905 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:36:45" (3/4) ... [2018-12-01 22:36:52,907 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-01 22:36:52,911 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-01 22:36:52,911 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-01 22:36:52,911 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-12-01 22:36:52,911 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-01 22:36:52,911 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-01 22:36:52,911 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-01 22:36:52,912 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-01 22:36:52,912 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-01 22:36:52,912 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-01 22:36:52,912 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-01 22:36:52,912 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-01 22:36:52,912 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-01 22:36:52,912 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-01 22:36:52,912 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-01 22:36:52,912 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-01 22:36:52,912 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-01 22:36:52,912 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-01 22:36:52,912 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-01 22:36:52,912 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-01 22:36:52,912 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-01 22:36:52,912 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-01 22:36:52,912 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-01 22:36:52,912 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-01 22:36:52,912 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-01 22:36:52,913 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-01 22:36:52,913 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-01 22:36:52,913 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-01 22:36:52,917 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-12-01 22:36:52,917 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-01 22:36:52,917 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-12-01 22:36:52,917 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-01 22:36:52,917 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-01 22:36:52,917 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-01 22:36:52,935 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || (((0 == pumpRunning && 1 <= waterLevel) && systemActive == 1) && splverifierCounter == 0)) || ((2 <= waterLevel && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-12-01 22:36:52,935 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-12-01 22:36:52,956 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_90110e3b-d66a-485b-89e1-f2d0297204d3/bin-2019/uautomizer/witness.graphml [2018-12-01 22:36:52,956 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 22:36:52,957 INFO L168 Benchmark]: Toolchain (without parser) took 7863.52 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 311.4 MB). Free memory was 951.7 MB in the beginning and 1.2 GB in the end (delta: -272.7 MB). Peak memory consumption was 38.8 MB. Max. memory is 11.5 GB. [2018-12-01 22:36:52,958 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 22:36:52,958 INFO L168 Benchmark]: CACSL2BoogieTranslator took 271.87 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -152.8 MB). Peak memory consumption was 28.9 MB. Max. memory is 11.5 GB. [2018-12-01 22:36:52,958 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.01 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 22:36:52,958 INFO L168 Benchmark]: Boogie Preprocessor took 20.67 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. [2018-12-01 22:36:52,958 INFO L168 Benchmark]: RCFGBuilder took 345.96 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: 52.1 MB). Peak memory consumption was 52.1 MB. Max. memory is 11.5 GB. [2018-12-01 22:36:52,958 INFO L168 Benchmark]: TraceAbstraction took 7150.14 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 196.1 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -184.1 MB). Peak memory consumption was 427.5 MB. Max. memory is 11.5 GB. [2018-12-01 22:36:52,958 INFO L168 Benchmark]: Witness Printer took 52.05 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. [2018-12-01 22:36:52,959 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 271.87 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -152.8 MB). Peak memory consumption was 28.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.01 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 20.67 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 345.96 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: 52.1 MB). Peak memory consumption was 52.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7150.14 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 196.1 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -184.1 MB). Peak memory consumption was 427.5 MB. Max. memory is 11.5 GB. * Witness Printer took 52.05 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 543]: 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: 908]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 437]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 909]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || (((0 == pumpRunning && 1 <= waterLevel) && systemActive == 1) && splverifierCounter == 0)) || ((2 <= waterLevel && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 28 procedures, 145 locations, 1 error locations. SAFE Result, 7.1s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 3.6s AutomataDifference, 0.0s DeadEndRemovalTime, 1.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 1916 SDtfs, 2329 SDslu, 6000 SDs, 0 SdLazy, 5932 SolverSat, 1253 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 961 GetRequests, 819 SyntacticMatches, 5 SemanticMatches, 137 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 392 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=983occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 297 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 60 LocationsWithAnnotation, 1886 PreInvPairs, 1947 NumberOfFragments, 967 HoareAnnotationTreeSize, 1886 FomulaSimplifications, 4235 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 60 FomulaSimplificationsInter, 6800 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 2129 NumberOfCodeBlocks, 2129 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 2112 ConstructedInterpolants, 0 QuantifiedInterpolants, 437535 SizeOfPredicates, 17 NumberOfNonLiveVariables, 4411 ConjunctsInSsa, 57 ConjunctsInUnsatCore, 17 InterpolantComputations, 11 PerfectInterpolantSequences, 615/656 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...