./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product49_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_84eba33a-42dc-418a-a001-3adc8b4ac792/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_84eba33a-42dc-418a-a001-3adc8b4ac792/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_84eba33a-42dc-418a-a001-3adc8b4ac792/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_84eba33a-42dc-418a-a001-3adc8b4ac792/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product49_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_84eba33a-42dc-418a-a001-3adc8b4ac792/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_84eba33a-42dc-418a-a001-3adc8b4ac792/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 4b859e272d72137c2ddb07ede97bfa3dea2dc5e9 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 12:49:37,383 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 12:49:37,385 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 12:49:37,394 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 12:49:37,395 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 12:49:37,395 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 12:49:37,396 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 12:49:37,398 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 12:49:37,399 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 12:49:37,400 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 12:49:37,400 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 12:49:37,401 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 12:49:37,401 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 12:49:37,402 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 12:49:37,403 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 12:49:37,404 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 12:49:37,404 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 12:49:37,406 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 12:49:37,407 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 12:49:37,408 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 12:49:37,409 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 12:49:37,410 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 12:49:37,411 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 12:49:37,412 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 12:49:37,412 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 12:49:37,412 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 12:49:37,413 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 12:49:37,414 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 12:49:37,414 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 12:49:37,415 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 12:49:37,415 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 12:49:37,416 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 12:49:37,416 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 12:49:37,416 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 12:49:37,417 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 12:49:37,418 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 12:49:37,418 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_84eba33a-42dc-418a-a001-3adc8b4ac792/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 12:49:37,427 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 12:49:37,428 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 12:49:37,428 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 12:49:37,428 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 12:49:37,429 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 12:49:37,429 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 12:49:37,429 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 12:49:37,429 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 12:49:37,430 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 12:49:37,430 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 12:49:37,430 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 12:49:37,430 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 12:49:37,430 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 12:49:37,430 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 12:49:37,430 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 12:49:37,430 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 12:49:37,431 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 12:49:37,431 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 12:49:37,431 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 12:49:37,431 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 12:49:37,431 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 12:49:37,431 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 12:49:37,431 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 12:49:37,431 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 12:49:37,432 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 12:49:37,432 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 12:49:37,432 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 12:49:37,432 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 12:49:37,432 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 12:49:37,432 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 12:49:37,432 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_84eba33a-42dc-418a-a001-3adc8b4ac792/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 -> 4b859e272d72137c2ddb07ede97bfa3dea2dc5e9 [2018-11-23 12:49:37,455 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 12:49:37,466 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 12:49:37,468 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 12:49:37,470 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 12:49:37,470 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 12:49:37,471 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_84eba33a-42dc-418a-a001-3adc8b4ac792/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product49_true-unreach-call_false-termination.cil.c [2018-11-23 12:49:37,516 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_84eba33a-42dc-418a-a001-3adc8b4ac792/bin-2019/uautomizer/data/f901e3379/7743573505ef4e54b07351f1510b101f/FLAG4d1059e9c [2018-11-23 12:49:37,906 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 12:49:37,907 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_84eba33a-42dc-418a-a001-3adc8b4ac792/sv-benchmarks/c/product-lines/minepump_spec2_product49_true-unreach-call_false-termination.cil.c [2018-11-23 12:49:37,916 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_84eba33a-42dc-418a-a001-3adc8b4ac792/bin-2019/uautomizer/data/f901e3379/7743573505ef4e54b07351f1510b101f/FLAG4d1059e9c [2018-11-23 12:49:38,291 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_84eba33a-42dc-418a-a001-3adc8b4ac792/bin-2019/uautomizer/data/f901e3379/7743573505ef4e54b07351f1510b101f [2018-11-23 12:49:38,293 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 12:49:38,295 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 12:49:38,295 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 12:49:38,295 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 12:49:38,298 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 12:49:38,299 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:49:38" (1/1) ... [2018-11-23 12:49:38,301 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6da339c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:38, skipping insertion in model container [2018-11-23 12:49:38,301 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:49:38" (1/1) ... [2018-11-23 12:49:38,309 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 12:49:38,343 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 12:49:38,555 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:49:38,565 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 12:49:38,678 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:49:38,696 INFO L195 MainTranslator]: Completed translation [2018-11-23 12:49:38,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:38 WrapperNode [2018-11-23 12:49:38,696 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 12:49:38,697 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 12:49:38,697 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 12:49:38,697 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 12:49:38,703 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:38" (1/1) ... [2018-11-23 12:49:38,717 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:38" (1/1) ... [2018-11-23 12:49:38,726 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 12:49:38,726 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 12:49:38,726 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 12:49:38,726 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 12:49:38,735 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:38" (1/1) ... [2018-11-23 12:49:38,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:38" (1/1) ... [2018-11-23 12:49:38,738 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:38" (1/1) ... [2018-11-23 12:49:38,739 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:38" (1/1) ... [2018-11-23 12:49:38,751 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:38" (1/1) ... [2018-11-23 12:49:38,758 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:38" (1/1) ... [2018-11-23 12:49:38,760 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:38" (1/1) ... [2018-11-23 12:49:38,764 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 12:49:38,764 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 12:49:38,764 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 12:49:38,764 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 12:49:38,765 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_84eba33a-42dc-418a-a001-3adc8b4ac792/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 12:49:38,814 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 12:49:38,814 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 12:49:38,815 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 12:49:38,815 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 12:49:38,815 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-23 12:49:38,815 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-23 12:49:38,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 12:49:38,815 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 12:49:38,815 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 12:49:38,815 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 12:49:38,816 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 12:49:38,816 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-23 12:49:38,816 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-23 12:49:38,816 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 12:49:38,816 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 12:49:38,816 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 12:49:38,816 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 12:49:38,816 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-23 12:49:38,817 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-23 12:49:38,817 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-23 12:49:38,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-23 12:49:38,817 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-23 12:49:38,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-23 12:49:38,817 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-23 12:49:38,817 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-23 12:49:38,817 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-23 12:49:38,817 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-23 12:49:38,818 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 12:49:38,818 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 12:49:38,818 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 12:49:38,818 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 12:49:38,818 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 12:49:38,818 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 12:49:38,818 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 12:49:38,818 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 12:49:38,818 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 12:49:38,819 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 12:49:38,819 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 12:49:38,819 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 12:49:38,819 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 12:49:38,819 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 12:49:38,819 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 12:49:38,819 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 12:49:38,819 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 12:49:38,820 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 12:49:38,820 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 12:49:38,820 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 12:49:38,820 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 12:49:38,820 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 12:49:38,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 12:49:38,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 12:49:38,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 12:49:38,820 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 12:49:38,821 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 12:49:38,821 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 12:49:38,821 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 12:49:38,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 12:49:38,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 12:49:39,294 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 12:49:39,294 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 12:49:39,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:49:39 BoogieIcfgContainer [2018-11-23 12:49:39,295 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 12:49:39,295 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 12:49:39,295 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 12:49:39,297 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 12:49:39,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 12:49:38" (1/3) ... [2018-11-23 12:49:39,298 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21c52541 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:49:39, skipping insertion in model container [2018-11-23 12:49:39,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:38" (2/3) ... [2018-11-23 12:49:39,298 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21c52541 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:49:39, skipping insertion in model container [2018-11-23 12:49:39,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:49:39" (3/3) ... [2018-11-23 12:49:39,300 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product49_true-unreach-call_false-termination.cil.c [2018-11-23 12:49:39,306 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 12:49:39,312 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 12:49:39,321 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 12:49:39,342 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 12:49:39,343 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 12:49:39,343 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 12:49:39,343 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 12:49:39,343 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 12:49:39,343 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 12:49:39,344 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 12:49:39,344 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 12:49:39,344 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 12:49:39,359 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states. [2018-11-23 12:49:39,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 12:49:39,365 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:49:39,366 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:49:39,368 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:49:39,371 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:49:39,372 INFO L82 PathProgramCache]: Analyzing trace with hash 1919739820, now seen corresponding path program 1 times [2018-11-23 12:49:39,373 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:49:39,373 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:49:39,403 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:49:39,403 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:49:39,404 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:49:39,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:49:39,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:49:39,560 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:49:39,560 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 12:49:39,562 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 12:49:39,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 12:49:39,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 12:49:39,572 INFO L87 Difference]: Start difference. First operand 146 states. Second operand 2 states. [2018-11-23 12:49:39,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:49:39,599 INFO L93 Difference]: Finished difference Result 262 states and 325 transitions. [2018-11-23 12:49:39,600 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 12:49:39,601 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-23 12:49:39,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:49:39,609 INFO L225 Difference]: With dead ends: 262 [2018-11-23 12:49:39,610 INFO L226 Difference]: Without dead ends: 133 [2018-11-23 12:49:39,613 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 12:49:39,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2018-11-23 12:49:39,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2018-11-23 12:49:39,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2018-11-23 12:49:39,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 156 transitions. [2018-11-23 12:49:39,653 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 156 transitions. Word has length 51 [2018-11-23 12:49:39,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:49:39,653 INFO L480 AbstractCegarLoop]: Abstraction has 133 states and 156 transitions. [2018-11-23 12:49:39,653 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 12:49:39,653 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 156 transitions. [2018-11-23 12:49:39,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 12:49:39,656 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:49:39,656 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:49:39,656 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:49:39,657 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:49:39,657 INFO L82 PathProgramCache]: Analyzing trace with hash -1005326354, now seen corresponding path program 1 times [2018-11-23 12:49:39,657 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:49:39,657 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:49:39,658 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:49:39,658 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:49:39,658 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:49:39,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:49:39,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:49:39,736 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:49:39,737 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 12:49:39,738 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 12:49:39,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 12:49:39,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 12:49:39,739 INFO L87 Difference]: Start difference. First operand 133 states and 156 transitions. Second operand 3 states. [2018-11-23 12:49:39,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:49:39,756 INFO L93 Difference]: Finished difference Result 211 states and 247 transitions. [2018-11-23 12:49:39,757 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 12:49:39,757 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-23 12:49:39,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:49:39,758 INFO L225 Difference]: With dead ends: 211 [2018-11-23 12:49:39,758 INFO L226 Difference]: Without dead ends: 124 [2018-11-23 12:49:39,760 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 12:49:39,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2018-11-23 12:49:39,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2018-11-23 12:49:39,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2018-11-23 12:49:39,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 144 transitions. [2018-11-23 12:49:39,771 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 144 transitions. Word has length 52 [2018-11-23 12:49:39,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:49:39,771 INFO L480 AbstractCegarLoop]: Abstraction has 124 states and 144 transitions. [2018-11-23 12:49:39,771 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 12:49:39,771 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 144 transitions. [2018-11-23 12:49:39,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-23 12:49:39,773 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:49:39,773 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] [2018-11-23 12:49:39,773 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:49:39,773 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:49:39,773 INFO L82 PathProgramCache]: Analyzing trace with hash -462648115, now seen corresponding path program 1 times [2018-11-23 12:49:39,773 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:49:39,773 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:49:39,774 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:49:39,774 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:49:39,774 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:49:39,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:49:39,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:49:39,893 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:49:39,893 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 12:49:39,894 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 12:49:39,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 12:49:39,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 12:49:39,894 INFO L87 Difference]: Start difference. First operand 124 states and 144 transitions. Second operand 7 states. [2018-11-23 12:49:40,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:49:40,122 INFO L93 Difference]: Finished difference Result 220 states and 261 transitions. [2018-11-23 12:49:40,122 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 12:49:40,122 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2018-11-23 12:49:40,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:49:40,124 INFO L225 Difference]: With dead ends: 220 [2018-11-23 12:49:40,124 INFO L226 Difference]: Without dead ends: 124 [2018-11-23 12:49:40,125 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 12:49:40,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2018-11-23 12:49:40,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2018-11-23 12:49:40,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2018-11-23 12:49:40,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 143 transitions. [2018-11-23 12:49:40,136 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 143 transitions. Word has length 56 [2018-11-23 12:49:40,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:49:40,138 INFO L480 AbstractCegarLoop]: Abstraction has 124 states and 143 transitions. [2018-11-23 12:49:40,138 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 12:49:40,139 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 143 transitions. [2018-11-23 12:49:40,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-23 12:49:40,140 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:49:40,141 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] [2018-11-23 12:49:40,141 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:49:40,141 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:49:40,141 INFO L82 PathProgramCache]: Analyzing trace with hash 2108365034, now seen corresponding path program 1 times [2018-11-23 12:49:40,141 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:49:40,142 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:49:40,142 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:49:40,142 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:49:40,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:49:40,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:49:40,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:49:40,238 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:49:40,238 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 12:49:40,238 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 12:49:40,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 12:49:40,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 12:49:40,240 INFO L87 Difference]: Start difference. First operand 124 states and 143 transitions. Second operand 5 states. [2018-11-23 12:49:40,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:49:40,534 INFO L93 Difference]: Finished difference Result 316 states and 383 transitions. [2018-11-23 12:49:40,534 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 12:49:40,534 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 69 [2018-11-23 12:49:40,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:49:40,536 INFO L225 Difference]: With dead ends: 316 [2018-11-23 12:49:40,536 INFO L226 Difference]: Without dead ends: 220 [2018-11-23 12:49:40,537 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 [2018-11-23 12:49:40,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2018-11-23 12:49:40,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 202. [2018-11-23 12:49:40,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2018-11-23 12:49:40,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 232 transitions. [2018-11-23 12:49:40,560 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 232 transitions. Word has length 69 [2018-11-23 12:49:40,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:49:40,561 INFO L480 AbstractCegarLoop]: Abstraction has 202 states and 232 transitions. [2018-11-23 12:49:40,561 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 12:49:40,561 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 232 transitions. [2018-11-23 12:49:40,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-23 12:49:40,564 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:49:40,564 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:49:40,564 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:49:40,564 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:49:40,564 INFO L82 PathProgramCache]: Analyzing trace with hash 923888339, now seen corresponding path program 1 times [2018-11-23 12:49:40,564 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:49:40,565 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:49:40,565 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:49:40,566 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:49:40,566 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:49:40,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:49:40,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:49:40,648 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:49:40,649 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 12:49:40,649 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 12:49:40,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 12:49:40,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 12:49:40,650 INFO L87 Difference]: Start difference. First operand 202 states and 232 transitions. Second operand 6 states. [2018-11-23 12:49:40,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:49:40,784 INFO L93 Difference]: Finished difference Result 532 states and 632 transitions. [2018-11-23 12:49:40,785 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 12:49:40,785 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2018-11-23 12:49:40,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:49:40,788 INFO L225 Difference]: With dead ends: 532 [2018-11-23 12:49:40,788 INFO L226 Difference]: Without dead ends: 358 [2018-11-23 12:49:40,789 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 12:49:40,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2018-11-23 12:49:40,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 352. [2018-11-23 12:49:40,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 352 states. [2018-11-23 12:49:40,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 404 transitions. [2018-11-23 12:49:40,818 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 404 transitions. Word has length 83 [2018-11-23 12:49:40,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:49:40,818 INFO L480 AbstractCegarLoop]: Abstraction has 352 states and 404 transitions. [2018-11-23 12:49:40,818 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 12:49:40,818 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 404 transitions. [2018-11-23 12:49:40,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-11-23 12:49:40,820 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:49:40,820 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:49:40,821 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:49:40,821 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:49:40,821 INFO L82 PathProgramCache]: Analyzing trace with hash -968028617, now seen corresponding path program 1 times [2018-11-23 12:49:40,821 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:49:40,821 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:49:40,822 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:49:40,822 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:49:40,822 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:49:40,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:49:40,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:49:40,941 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:49:40,942 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 12:49:40,942 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 12:49:40,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 12:49:40,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 12:49:40,943 INFO L87 Difference]: Start difference. First operand 352 states and 404 transitions. Second operand 7 states. [2018-11-23 12:49:41,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:49:41,280 INFO L93 Difference]: Finished difference Result 705 states and 832 transitions. [2018-11-23 12:49:41,281 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-23 12:49:41,281 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 87 [2018-11-23 12:49:41,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:49:41,283 INFO L225 Difference]: With dead ends: 705 [2018-11-23 12:49:41,283 INFO L226 Difference]: Without dead ends: 381 [2018-11-23 12:49:41,284 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-23 12:49:41,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2018-11-23 12:49:41,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 351. [2018-11-23 12:49:41,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 351 states. [2018-11-23 12:49:41,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 401 transitions. [2018-11-23 12:49:41,302 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 401 transitions. Word has length 87 [2018-11-23 12:49:41,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:49:41,303 INFO L480 AbstractCegarLoop]: Abstraction has 351 states and 401 transitions. [2018-11-23 12:49:41,303 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 12:49:41,303 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 401 transitions. [2018-11-23 12:49:41,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-23 12:49:41,304 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:49:41,304 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:49:41,304 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:49:41,304 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:49:41,304 INFO L82 PathProgramCache]: Analyzing trace with hash 319859695, now seen corresponding path program 1 times [2018-11-23 12:49:41,304 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:49:41,305 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:49:41,305 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:49:41,305 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:49:41,305 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:49:41,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:49:41,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:49:41,360 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:49:41,360 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 12:49:41,360 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 12:49:41,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 12:49:41,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 12:49:41,361 INFO L87 Difference]: Start difference. First operand 351 states and 401 transitions. Second operand 6 states. [2018-11-23 12:49:41,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:49:41,404 INFO L93 Difference]: Finished difference Result 684 states and 794 transitions. [2018-11-23 12:49:41,406 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 12:49:41,406 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2018-11-23 12:49:41,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:49:41,408 INFO L225 Difference]: With dead ends: 684 [2018-11-23 12:49:41,408 INFO L226 Difference]: Without dead ends: 361 [2018-11-23 12:49:41,409 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 [2018-11-23 12:49:41,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2018-11-23 12:49:41,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 361. [2018-11-23 12:49:41,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 361 states. [2018-11-23 12:49:41,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 411 transitions. [2018-11-23 12:49:41,428 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 411 transitions. Word has length 88 [2018-11-23 12:49:41,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:49:41,429 INFO L480 AbstractCegarLoop]: Abstraction has 361 states and 411 transitions. [2018-11-23 12:49:41,429 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 12:49:41,429 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 411 transitions. [2018-11-23 12:49:41,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-23 12:49:41,430 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:49:41,430 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:49:41,430 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:49:41,431 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:49:41,431 INFO L82 PathProgramCache]: Analyzing trace with hash 1021459569, now seen corresponding path program 1 times [2018-11-23 12:49:41,431 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:49:41,431 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:49:41,432 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:49:41,432 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:49:41,432 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:49:41,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:49:41,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:49:41,511 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:49:41,512 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-23 12:49:41,512 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 12:49:41,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 12:49:41,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 12:49:41,514 INFO L87 Difference]: Start difference. First operand 361 states and 411 transitions. Second operand 8 states. [2018-11-23 12:49:41,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:49:41,553 INFO L93 Difference]: Finished difference Result 708 states and 828 transitions. [2018-11-23 12:49:41,554 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 12:49:41,554 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 88 [2018-11-23 12:49:41,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:49:41,557 INFO L225 Difference]: With dead ends: 708 [2018-11-23 12:49:41,557 INFO L226 Difference]: Without dead ends: 375 [2018-11-23 12:49:41,558 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 12:49:41,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2018-11-23 12:49:41,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 369. [2018-11-23 12:49:41,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 369 states. [2018-11-23 12:49:41,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 419 transitions. [2018-11-23 12:49:41,577 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 419 transitions. Word has length 88 [2018-11-23 12:49:41,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:49:41,578 INFO L480 AbstractCegarLoop]: Abstraction has 369 states and 419 transitions. [2018-11-23 12:49:41,578 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 12:49:41,578 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 419 transitions. [2018-11-23 12:49:41,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-23 12:49:41,579 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:49:41,579 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:49:41,579 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:49:41,580 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:49:41,580 INFO L82 PathProgramCache]: Analyzing trace with hash -1548026830, now seen corresponding path program 1 times [2018-11-23 12:49:41,580 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:49:41,580 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:49:41,581 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:49:41,581 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:49:41,581 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:49:41,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:49:41,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:49:41,642 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:49:41,643 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 12:49:41,643 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 12:49:41,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 12:49:41,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 12:49:41,643 INFO L87 Difference]: Start difference. First operand 369 states and 419 transitions. Second operand 4 states. [2018-11-23 12:49:41,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:49:41,824 INFO L93 Difference]: Finished difference Result 1106 states and 1326 transitions. [2018-11-23 12:49:41,824 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 12:49:41,824 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 88 [2018-11-23 12:49:41,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:49:41,828 INFO L225 Difference]: With dead ends: 1106 [2018-11-23 12:49:41,828 INFO L226 Difference]: Without dead ends: 765 [2018-11-23 12:49:41,829 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 12:49:41,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 765 states. [2018-11-23 12:49:41,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 765 to 493. [2018-11-23 12:49:41,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 493 states. [2018-11-23 12:49:41,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 493 states and 556 transitions. [2018-11-23 12:49:41,863 INFO L78 Accepts]: Start accepts. Automaton has 493 states and 556 transitions. Word has length 88 [2018-11-23 12:49:41,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:49:41,864 INFO L480 AbstractCegarLoop]: Abstraction has 493 states and 556 transitions. [2018-11-23 12:49:41,864 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 12:49:41,864 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 556 transitions. [2018-11-23 12:49:41,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-11-23 12:49:41,865 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:49:41,865 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:49:41,866 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:49:41,866 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:49:41,866 INFO L82 PathProgramCache]: Analyzing trace with hash 1421535980, now seen corresponding path program 1 times [2018-11-23 12:49:41,866 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:49:41,866 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:49:41,867 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:49:41,867 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:49:41,867 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:49:41,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:49:41,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:49:41,907 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:49:41,907 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 12:49:41,907 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 12:49:41,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 12:49:41,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 12:49:41,908 INFO L87 Difference]: Start difference. First operand 493 states and 556 transitions. Second operand 3 states. [2018-11-23 12:49:41,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:49:41,950 INFO L93 Difference]: Finished difference Result 764 states and 876 transitions. [2018-11-23 12:49:41,951 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 12:49:41,951 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 92 [2018-11-23 12:49:41,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:49:41,954 INFO L225 Difference]: With dead ends: 764 [2018-11-23 12:49:41,954 INFO L226 Difference]: Without dead ends: 761 [2018-11-23 12:49:41,954 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 12:49:41,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 761 states. [2018-11-23 12:49:41,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 761 to 634. [2018-11-23 12:49:41,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 634 states. [2018-11-23 12:49:41,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 725 transitions. [2018-11-23 12:49:41,990 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 725 transitions. Word has length 92 [2018-11-23 12:49:41,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:49:41,991 INFO L480 AbstractCegarLoop]: Abstraction has 634 states and 725 transitions. [2018-11-23 12:49:41,991 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 12:49:41,991 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 725 transitions. [2018-11-23 12:49:41,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-23 12:49:41,993 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:49:41,993 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-23 12:49:41,994 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:49:41,994 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:49:41,994 INFO L82 PathProgramCache]: Analyzing trace with hash -2077363115, now seen corresponding path program 1 times [2018-11-23 12:49:41,994 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:49:41,994 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:49:41,995 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:49:41,995 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:49:41,995 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:49:42,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:49:42,075 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-23 12:49:42,076 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:49:42,076 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_84eba33a-42dc-418a-a001-3adc8b4ac792/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 12:49:42,089 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:49:42,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:49:42,222 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:49:42,310 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:49:42,337 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 12:49:42,337 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2018-11-23 12:49:42,338 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 12:49:42,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 12:49:42,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-11-23 12:49:42,338 INFO L87 Difference]: Start difference. First operand 634 states and 725 transitions. Second operand 8 states. [2018-11-23 12:49:42,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:49:42,462 INFO L93 Difference]: Finished difference Result 1060 states and 1221 transitions. [2018-11-23 12:49:42,463 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 12:49:42,463 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 150 [2018-11-23 12:49:42,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:49:42,466 INFO L225 Difference]: With dead ends: 1060 [2018-11-23 12:49:42,466 INFO L226 Difference]: Without dead ends: 574 [2018-11-23 12:49:42,467 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-11-23 12:49:42,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2018-11-23 12:49:42,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 574. [2018-11-23 12:49:42,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 574 states. [2018-11-23 12:49:42,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 574 states and 646 transitions. [2018-11-23 12:49:42,501 INFO L78 Accepts]: Start accepts. Automaton has 574 states and 646 transitions. Word has length 150 [2018-11-23 12:49:42,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:49:42,502 INFO L480 AbstractCegarLoop]: Abstraction has 574 states and 646 transitions. [2018-11-23 12:49:42,502 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 12:49:42,502 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 646 transitions. [2018-11-23 12:49:42,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-23 12:49:42,504 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:49:42,505 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:49:42,505 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:49:42,505 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:49:42,505 INFO L82 PathProgramCache]: Analyzing trace with hash 532177712, now seen corresponding path program 1 times [2018-11-23 12:49:42,505 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:49:42,505 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:49:42,506 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:49:42,506 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:49:42,506 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:49:42,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:49:42,677 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 12:49:42,677 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:49:42,677 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_84eba33a-42dc-418a-a001-3adc8b4ac792/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 12:49:42,687 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:49:42,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:49:42,788 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:49:42,880 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:49:42,898 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 12:49:42,898 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [10] total 14 [2018-11-23 12:49:42,899 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-23 12:49:42,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-23 12:49:42,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2018-11-23 12:49:42,899 INFO L87 Difference]: Start difference. First operand 574 states and 646 transitions. Second operand 14 states. [2018-11-23 12:49:44,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:49:44,180 INFO L93 Difference]: Finished difference Result 2072 states and 2717 transitions. [2018-11-23 12:49:44,181 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-23 12:49:44,181 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 152 [2018-11-23 12:49:44,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:49:44,189 INFO L225 Difference]: With dead ends: 2072 [2018-11-23 12:49:44,190 INFO L226 Difference]: Without dead ends: 1646 [2018-11-23 12:49:44,192 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=145, Invalid=557, Unknown=0, NotChecked=0, Total=702 [2018-11-23 12:49:44,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1646 states. [2018-11-23 12:49:44,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1646 to 1460. [2018-11-23 12:49:44,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1460 states. [2018-11-23 12:49:44,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1460 states to 1460 states and 1750 transitions. [2018-11-23 12:49:44,340 INFO L78 Accepts]: Start accepts. Automaton has 1460 states and 1750 transitions. Word has length 152 [2018-11-23 12:49:44,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:49:44,340 INFO L480 AbstractCegarLoop]: Abstraction has 1460 states and 1750 transitions. [2018-11-23 12:49:44,340 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-23 12:49:44,341 INFO L276 IsEmpty]: Start isEmpty. Operand 1460 states and 1750 transitions. [2018-11-23 12:49:44,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-23 12:49:44,344 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:49:44,344 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:49:44,344 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:49:44,344 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:49:44,344 INFO L82 PathProgramCache]: Analyzing trace with hash 459791154, now seen corresponding path program 1 times [2018-11-23 12:49:44,345 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:49:44,345 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:49:44,345 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:49:44,345 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:49:44,346 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:49:44,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:49:44,429 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-23 12:49:44,429 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:49:44,429 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-23 12:49:44,429 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 12:49:44,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 12:49:44,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-23 12:49:44,431 INFO L87 Difference]: Start difference. First operand 1460 states and 1750 transitions. Second operand 9 states. [2018-11-23 12:49:44,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:49:44,494 INFO L93 Difference]: Finished difference Result 1915 states and 2287 transitions. [2018-11-23 12:49:44,494 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 12:49:44,495 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 152 [2018-11-23 12:49:44,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:49:44,495 INFO L225 Difference]: With dead ends: 1915 [2018-11-23 12:49:44,495 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 12:49:44,498 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-11-23 12:49:44,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 12:49:44,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 12:49:44,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 12:49:44,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 12:49:44,499 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 152 [2018-11-23 12:49:44,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:49:44,500 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 12:49:44,500 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 12:49:44,500 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 12:49:44,500 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:49:44,503 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 12:49:44,514 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,519 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,526 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,553 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,559 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,573 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,578 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,603 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,607 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,642 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,646 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,649 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,656 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,660 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,665 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,668 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,669 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,670 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,671 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,673 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,675 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,676 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,677 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,677 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,679 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,680 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,721 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,755 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,764 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,771 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,774 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,781 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,786 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,788 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,792 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,795 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,802 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,805 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,808 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,815 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,819 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,823 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,826 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,827 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,827 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,828 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,831 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,832 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,833 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,833 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,835 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,836 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,838 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,845 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,848 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,854 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,863 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,867 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,870 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,875 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,879 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,884 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,886 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,889 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,894 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,897 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,904 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,907 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,910 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,914 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,918 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,921 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,926 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,929 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,929 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,931 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,931 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,933 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,934 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,935 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,936 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,936 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,938 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,939 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,941 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,944 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,949 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,951 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,953 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,954 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,955 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,955 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,958 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,959 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,960 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,960 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,961 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,962 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,963 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,969 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,973 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,983 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,985 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,991 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:44,997 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:45,003 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:45,006 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:45,014 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:45,019 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:45,021 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:45,024 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:45,028 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:45,031 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:45,040 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:45,043 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:45,045 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:49:45,160 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 27 [2018-11-23 12:49:46,235 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 40 [2018-11-23 12:49:46,982 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 953 959) the Hoare annotation is: true [2018-11-23 12:49:46,983 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 953 959) no Hoare annotation was computed. [2018-11-23 12:49:46,983 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 960 968) no Hoare annotation was computed. [2018-11-23 12:49:46,983 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 960 968) the Hoare annotation is: true [2018-11-23 12:49:46,983 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 960 968) no Hoare annotation was computed. [2018-11-23 12:49:46,983 INFO L444 ceAbstractionStarter]: At program point L129(line 129) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-23 12:49:46,983 INFO L444 ceAbstractionStarter]: At program point L128(line 128) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-23 12:49:46,983 INFO L444 ceAbstractionStarter]: At program point L128-1(line 128) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-23 12:49:46,983 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 122 144) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-23 12:49:46,983 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 122 144) no Hoare annotation was computed. [2018-11-23 12:49:46,983 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 122 144) no Hoare annotation was computed. [2018-11-23 12:49:46,984 INFO L444 ceAbstractionStarter]: At program point L134(line 134) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 12:49:46,984 INFO L444 ceAbstractionStarter]: At program point L134-1(line 134) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 12:49:46,984 INFO L448 ceAbstractionStarter]: For program point L132(lines 132 139) no Hoare annotation was computed. [2018-11-23 12:49:46,984 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 132 139) no Hoare annotation was computed. [2018-11-23 12:49:46,984 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-23 12:49:46,984 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 476 484) no Hoare annotation was computed. [2018-11-23 12:49:46,984 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 476 484) the Hoare annotation is: true [2018-11-23 12:49:46,984 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 476 484) no Hoare annotation was computed. [2018-11-23 12:49:46,984 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 540 558) the Hoare annotation is: true [2018-11-23 12:49:46,984 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 540 558) no Hoare annotation was computed. [2018-11-23 12:49:46,984 INFO L448 ceAbstractionStarter]: For program point L549(lines 549 553) no Hoare annotation was computed. [2018-11-23 12:49:46,984 INFO L451 ceAbstractionStarter]: At program point L547(line 547) the Hoare annotation is: true [2018-11-23 12:49:46,984 INFO L448 ceAbstractionStarter]: For program point L549-2(lines 549 553) no Hoare annotation was computed. [2018-11-23 12:49:46,984 INFO L448 ceAbstractionStarter]: For program point L547-1(line 547) no Hoare annotation was computed. [2018-11-23 12:49:46,984 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 540 558) no Hoare annotation was computed. [2018-11-23 12:49:46,985 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 946 952) no Hoare annotation was computed. [2018-11-23 12:49:46,985 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 946 952) the Hoare annotation is: true [2018-11-23 12:49:46,985 INFO L444 ceAbstractionStarter]: At program point L113(line 113) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-23 12:49:46,985 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 108 118) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-23 12:49:46,985 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 108 118) no Hoare annotation was computed. [2018-11-23 12:49:46,985 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 108 118) no Hoare annotation was computed. [2018-11-23 12:49:46,985 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 457 464) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 1) (not (= 1 |old(~pumpRunning~0)|))) [2018-11-23 12:49:46,985 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 457 464) no Hoare annotation was computed. [2018-11-23 12:49:46,985 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 457 464) no Hoare annotation was computed. [2018-11-23 12:49:46,985 INFO L444 ceAbstractionStarter]: At program point L443(line 443) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (< ~waterLevel~0 1))) (and (or .cse0 (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0)) .cse3) (or (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse3 .cse0) (or .cse2 .cse0 (not (= 1 |old(~pumpRunning~0)|))))) [2018-11-23 12:49:46,985 INFO L448 ceAbstractionStarter]: For program point L443-1(lines 424 448) no Hoare annotation was computed. [2018-11-23 12:49:46,985 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 424 448) no Hoare annotation was computed. [2018-11-23 12:49:46,985 INFO L444 ceAbstractionStarter]: At program point L438(line 438) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (< ~waterLevel~0 1))) (and (or .cse0 (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse0) (or .cse2 .cse0 (not (= 1 |old(~pumpRunning~0)|))))) [2018-11-23 12:49:46,985 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 424 448) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< ~waterLevel~0 1))) (and (or .cse0 (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0)) .cse3) (or (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse3 .cse0) (or .cse2 .cse3 .cse0 (not (= 1 |old(~pumpRunning~0)|))))) [2018-11-23 12:49:46,985 INFO L444 ceAbstractionStarter]: At program point L434(line 434) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (< ~waterLevel~0 1))) (and (or .cse0 (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse0) (or .cse2 .cse0 (not (= 1 |old(~pumpRunning~0)|)) (and (= processEnvironment_~tmp~4 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-11-23 12:49:46,985 INFO L448 ceAbstractionStarter]: For program point L432(lines 432 440) no Hoare annotation was computed. [2018-11-23 12:49:46,986 INFO L444 ceAbstractionStarter]: At program point L430(line 430) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (< ~waterLevel~0 1))) (and (or .cse0 (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse0) (or .cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 (not (= 1 |old(~pumpRunning~0)|))))) [2018-11-23 12:49:46,986 INFO L448 ceAbstractionStarter]: For program point L430-1(line 430) no Hoare annotation was computed. [2018-11-23 12:49:46,986 INFO L448 ceAbstractionStarter]: For program point L428(lines 428 445) no Hoare annotation was computed. [2018-11-23 12:49:46,986 INFO L448 ceAbstractionStarter]: For program point L235(lines 235 241) no Hoare annotation was computed. [2018-11-23 12:49:46,986 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 231 244) no Hoare annotation was computed. [2018-11-23 12:49:46,986 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 231 244) the Hoare annotation is: true [2018-11-23 12:49:46,986 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 231 244) no Hoare annotation was computed. [2018-11-23 12:49:46,986 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 390 396) no Hoare annotation was computed. [2018-11-23 12:49:46,986 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 390 396) the Hoare annotation is: true [2018-11-23 12:49:46,986 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 296 359) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-23 12:49:46,986 INFO L444 ceAbstractionStarter]: At program point L318(line 318) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) (= ~pumpRunning~0 1) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 (= 0 ~methAndRunningLastTime~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 12:49:46,986 INFO L444 ceAbstractionStarter]: At program point L349(lines 306 351) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) (= ~pumpRunning~0 1) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 (= 0 ~methAndRunningLastTime~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 12:49:46,986 INFO L448 ceAbstractionStarter]: For program point L316(lines 316 322) no Hoare annotation was computed. [2018-11-23 12:49:46,986 INFO L448 ceAbstractionStarter]: For program point L316-1(lines 316 322) no Hoare annotation was computed. [2018-11-23 12:49:46,986 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 296 359) no Hoare annotation was computed. [2018-11-23 12:49:46,986 INFO L448 ceAbstractionStarter]: For program point L308(lines 308 312) no Hoare annotation was computed. [2018-11-23 12:49:46,986 INFO L444 ceAbstractionStarter]: At program point L352(lines 305 353) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 12:49:46,986 INFO L448 ceAbstractionStarter]: For program point L342(lines 342 346) no Hoare annotation was computed. [2018-11-23 12:49:46,987 INFO L444 ceAbstractionStarter]: At program point L342-2(lines 336 347) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) (= ~pumpRunning~0 1) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 (= 0 ~methAndRunningLastTime~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 12:49:46,987 INFO L448 ceAbstractionStarter]: For program point L307(lines 306 351) no Hoare annotation was computed. [2018-11-23 12:49:46,987 INFO L448 ceAbstractionStarter]: For program point L336(lines 336 347) no Hoare annotation was computed. [2018-11-23 12:49:46,987 INFO L444 ceAbstractionStarter]: At program point L328(line 328) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) (= ~pumpRunning~0 1) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 (= 0 ~methAndRunningLastTime~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 12:49:46,987 INFO L448 ceAbstractionStarter]: For program point L326(lines 326 332) no Hoare annotation was computed. [2018-11-23 12:49:46,987 INFO L448 ceAbstractionStarter]: For program point L326-1(lines 326 332) no Hoare annotation was computed. [2018-11-23 12:49:46,987 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 296 359) no Hoare annotation was computed. [2018-11-23 12:49:46,987 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 245 253) no Hoare annotation was computed. [2018-11-23 12:49:46,987 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 245 253) the Hoare annotation is: true [2018-11-23 12:49:46,987 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 245 253) no Hoare annotation was computed. [2018-11-23 12:49:46,987 INFO L444 ceAbstractionStarter]: At program point L281(line 281) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 2)) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (or .cse0 .cse1 (or .cse2 (not (= ~methaneLevelCritical~0 0)))) (or (or (not (= 0 ~pumpRunning~0)) .cse2) (< ~waterLevel~0 1)))) [2018-11-23 12:49:46,987 INFO L448 ceAbstractionStarter]: For program point L279(lines 279 285) no Hoare annotation was computed. [2018-11-23 12:49:46,987 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 288) no Hoare annotation was computed. [2018-11-23 12:49:46,987 INFO L444 ceAbstractionStarter]: At program point L276(line 276) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse5 (< ~waterLevel~0 2)) (.cse6 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (or .cse0 .cse1 .cse2) (< ~waterLevel~0 1)) (or .cse0 .cse3 .cse1 (not (= ~waterLevel~0 1)) .cse4) (or .cse3 .cse5 .cse6 .cse1 .cse4) (or .cse5 .cse6 (or .cse1 .cse2)))) [2018-11-23 12:49:46,988 INFO L448 ceAbstractionStarter]: For program point L276-1(line 276) no Hoare annotation was computed. [2018-11-23 12:49:46,988 INFO L448 ceAbstractionStarter]: For program point L274(lines 274 291) no Hoare annotation was computed. [2018-11-23 12:49:46,988 INFO L448 ceAbstractionStarter]: For program point L274-1(lines 266 294) no Hoare annotation was computed. [2018-11-23 12:49:46,988 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 266 294) the Hoare annotation is: (let ((.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (not (= 0 ~pumpRunning~0)) .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2) (or .cse0 (< ~waterLevel~0 2) (not (= 1 ~pumpRunning~0)) .cse1 .cse2))) [2018-11-23 12:49:46,988 INFO L444 ceAbstractionStarter]: At program point L272(line 272) the Hoare annotation is: (let ((.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (not (= 0 ~pumpRunning~0)) .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2) (or .cse0 (< ~waterLevel~0 2) (not (= 1 ~pumpRunning~0)) .cse1 .cse2))) [2018-11-23 12:49:46,988 INFO L448 ceAbstractionStarter]: For program point L272-1(line 272) no Hoare annotation was computed. [2018-11-23 12:49:46,988 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 266 294) no Hoare annotation was computed. [2018-11-23 12:49:46,988 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 258 265) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~waterLevel~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~methaneLevelCritical~0 0)) (= 0 ~methAndRunningLastTime~0)) [2018-11-23 12:49:46,988 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 258 265) no Hoare annotation was computed. [2018-11-23 12:49:46,988 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 258 265) no Hoare annotation was computed. [2018-11-23 12:49:46,988 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 12:49:46,988 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-23 12:49:46,989 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 12:49:46,989 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 449 456) no Hoare annotation was computed. [2018-11-23 12:49:46,989 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 449 456) no Hoare annotation was computed. [2018-11-23 12:49:46,989 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 449 456) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (< ~waterLevel~0 2)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methAndRunningLastTime~0 0))) (or (or .cse0 .cse3 (not (= ~methaneLevelCritical~0 0))) .cse2 .cse1))) [2018-11-23 12:49:46,989 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 521 539) no Hoare annotation was computed. [2018-11-23 12:49:46,989 INFO L451 ceAbstractionStarter]: At program point L528(line 528) the Hoare annotation is: true [2018-11-23 12:49:46,989 INFO L448 ceAbstractionStarter]: For program point L530-2(lines 530 534) no Hoare annotation was computed. [2018-11-23 12:49:46,989 INFO L448 ceAbstractionStarter]: For program point L528-1(line 528) no Hoare annotation was computed. [2018-11-23 12:49:46,989 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 521 539) the Hoare annotation is: true [2018-11-23 12:49:46,989 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 521 539) no Hoare annotation was computed. [2018-11-23 12:49:46,989 INFO L448 ceAbstractionStarter]: For program point L530(lines 530 534) no Hoare annotation was computed. [2018-11-23 12:49:46,989 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 178 189) the Hoare annotation is: (let ((.cse4 (= 0 ~methaneLevelCritical~0)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse5 (< ~waterLevel~0 2)) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2 .cse3 .cse4) (or .cse4 .cse5 (not (= 1 ~pumpRunning~0)) (or .cse1 .cse3) .cse2) (or .cse4 (or .cse0 .cse1 .cse3) .cse5 .cse2))) [2018-11-23 12:49:46,989 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 178 189) no Hoare annotation was computed. [2018-11-23 12:49:46,989 INFO L448 ceAbstractionStarter]: For program point L182-1(lines 178 189) no Hoare annotation was computed. [2018-11-23 12:49:46,990 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 190 198) the Hoare annotation is: true [2018-11-23 12:49:46,990 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 190 198) no Hoare annotation was computed. [2018-11-23 12:49:46,990 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 190 198) no Hoare annotation was computed. [2018-11-23 12:49:46,990 INFO L444 ceAbstractionStarter]: At program point L379(line 379) the Hoare annotation is: (let ((.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (< |old(~waterLevel~0)| 2)) (.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (< |old(~waterLevel~0)| 1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0) .cse1 (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse2 .cse3)) (or .cse3 .cse0 .cse4 .cse5 .cse1) (or .cse0 .cse4 .cse5 (and (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse2)))) [2018-11-23 12:49:46,990 INFO L444 ceAbstractionStarter]: At program point L377(lines 377 383) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (let ((.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|))) (or (and (<= 2 ~waterLevel~0) (= ~pumpRunning~0 1) .cse0 .cse1) (< |old(~waterLevel~0)| 1) (or .cse2 .cse3) (and .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse4)) (or (and (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) .cse3 (< |old(~waterLevel~0)| 2) (not (= 1 |old(~pumpRunning~0)|))) (or .cse2 .cse1 .cse3 (not (= |old(~waterLevel~0)| 1)) .cse4))) [2018-11-23 12:49:46,990 INFO L444 ceAbstractionStarter]: At program point L372(line 372) the Hoare annotation is: (let ((.cse1 (< |old(~waterLevel~0)| 2)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 .cse3 (= 0 ~methAndRunningLastTime~0)) (or (< |old(~waterLevel~0)| 1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0) .cse3))) [2018-11-23 12:49:46,990 INFO L448 ceAbstractionStarter]: For program point L370(lines 369 388) no Hoare annotation was computed. [2018-11-23 12:49:46,990 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 366 389) the Hoare annotation is: (let ((.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (< |old(~waterLevel~0)| 2)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (< |old(~waterLevel~0)| 1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0) .cse4 (and .cse5 .cse6 .cse3)) (or .cse0 .cse1 .cse2 (and .cse5 .cse6)))) [2018-11-23 12:49:46,991 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 366 389) no Hoare annotation was computed. [2018-11-23 12:49:46,991 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 366 389) no Hoare annotation was computed. [2018-11-23 12:49:46,991 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2018-11-23 12:49:46,991 INFO L448 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-11-23 12:49:46,991 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2018-11-23 12:49:46,991 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-11-23 12:49:46,991 INFO L451 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2018-11-23 12:49:46,991 INFO L448 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-11-23 12:49:46,991 INFO L451 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2018-11-23 12:49:46,991 INFO L451 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2018-11-23 12:49:46,991 INFO L448 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2018-11-23 12:49:46,991 INFO L451 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2018-11-23 12:49:46,991 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 154 165) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (= ~waterLevel~0 |old(~waterLevel~0)|) (< |old(~waterLevel~0)| 2) (not (= 1 ~pumpRunning~0))) [2018-11-23 12:49:46,991 INFO L448 ceAbstractionStarter]: For program point L158-1(lines 154 165) no Hoare annotation was computed. [2018-11-23 12:49:46,991 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 154 165) no Hoare annotation was computed. [2018-11-23 12:49:46,991 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2018-11-23 12:49:46,991 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2018-11-23 12:49:46,992 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 12:49:46,992 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0)) [2018-11-23 12:49:46,992 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 12:49:46,992 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 12:49:46,992 INFO L444 ceAbstractionStarter]: At program point L417(line 417) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (< ~waterLevel~0 1))) (and (or .cse0 (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse0))) [2018-11-23 12:49:46,992 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 398 422) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< ~waterLevel~0 1))) (and (or .cse0 (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0)) .cse3) (or (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse3 .cse0))) [2018-11-23 12:49:46,992 INFO L448 ceAbstractionStarter]: For program point L417-1(lines 398 422) no Hoare annotation was computed. [2018-11-23 12:49:46,992 INFO L444 ceAbstractionStarter]: At program point L412(line 412) the Hoare annotation is: (let ((.cse2 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~3) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse3 (< ~waterLevel~0 1)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) .cse2 .cse3) (or .cse2 .cse3 (or .cse0 .cse1) (not (= ~methAndRunningLastTime~0 0))))) [2018-11-23 12:49:46,992 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 398 422) no Hoare annotation was computed. [2018-11-23 12:49:46,992 INFO L444 ceAbstractionStarter]: At program point L408(line 408) the Hoare annotation is: (let ((.cse2 (< ~waterLevel~0 1)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (and (<= 2 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) .cse2 .cse3) (or .cse2 (or .cse0 .cse1) .cse3 (not (= ~methAndRunningLastTime~0 0))))) [2018-11-23 12:49:46,992 INFO L448 ceAbstractionStarter]: For program point L406(lines 406 414) no Hoare annotation was computed. [2018-11-23 12:49:46,992 INFO L444 ceAbstractionStarter]: At program point L404(line 404) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< ~waterLevel~0 1))) (and (or .cse0 (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0)) .cse3) (or (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse3 .cse0))) [2018-11-23 12:49:46,992 INFO L448 ceAbstractionStarter]: For program point L404-1(line 404) no Hoare annotation was computed. [2018-11-23 12:49:46,992 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 419) no Hoare annotation was computed. [2018-11-23 12:49:46,992 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 166 177) no Hoare annotation was computed. [2018-11-23 12:49:46,992 INFO L448 ceAbstractionStarter]: For program point L170-1(lines 166 177) no Hoare annotation was computed. [2018-11-23 12:49:46,992 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 166 177) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 (< |old(~waterLevel~0)| 2) (not (= 1 ~pumpRunning~0)) .cse1) (or (< |old(~waterLevel~0)| 1) (or (not (= 0 ~pumpRunning~0)) .cse0) (not (= ~methAndRunningLastTime~0 0)) .cse1))) [2018-11-23 12:49:46,992 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 926 933) no Hoare annotation was computed. [2018-11-23 12:49:46,993 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 930) no Hoare annotation was computed. [2018-11-23 12:49:46,993 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 926 933) the Hoare annotation is: true [2018-11-23 12:49:46,993 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 926 933) no Hoare annotation was computed. [2018-11-23 12:49:47,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 12:49:47 BoogieIcfgContainer [2018-11-23 12:49:47,001 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 12:49:47,002 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 12:49:47,002 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 12:49:47,002 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 12:49:47,002 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:49:39" (3/4) ... [2018-11-23 12:49:47,005 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 12:49:47,009 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 12:49:47,009 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 12:49:47,010 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 12:49:47,010 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 12:49:47,010 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-23 12:49:47,010 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 12:49:47,010 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 12:49:47,010 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 12:49:47,010 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 12:49:47,010 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-23 12:49:47,010 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 12:49:47,010 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 12:49:47,010 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-23 12:49:47,010 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-23 12:49:47,010 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-23 12:49:47,010 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 12:49:47,010 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-23 12:49:47,010 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-23 12:49:47,010 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 12:49:47,010 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 12:49:47,010 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 12:49:47,010 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 12:49:47,010 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 12:49:47,010 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 12:49:47,011 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 12:49:47,011 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 12:49:47,011 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 12:49:47,016 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-11-23 12:49:47,016 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 12:49:47,016 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 12:49:47,017 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 12:49:47,017 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 12:49:47,017 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 12:49:47,017 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 12:49:47,036 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((2 <= waterLevel && pumpRunning == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || !(systemActive == 1)) || (((0 == pumpRunning && 1 <= waterLevel) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 12:49:47,036 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 12:49:47,068 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_84eba33a-42dc-418a-a001-3adc8b4ac792/bin-2019/uautomizer/witness.graphml [2018-11-23 12:49:47,068 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 12:49:47,069 INFO L168 Benchmark]: Toolchain (without parser) took 8775.01 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 408.9 MB). Free memory was 956.4 MB in the beginning and 1.0 GB in the end (delta: -46.0 MB). Peak memory consumption was 363.0 MB. Max. memory is 11.5 GB. [2018-11-23 12:49:47,069 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 12:49:47,070 INFO L168 Benchmark]: CACSL2BoogieTranslator took 401.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -168.3 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-23 12:49:47,070 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.73 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 12:49:47,070 INFO L168 Benchmark]: Boogie Preprocessor took 37.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-23 12:49:47,070 INFO L168 Benchmark]: RCFGBuilder took 530.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 56.8 MB). Peak memory consumption was 56.8 MB. Max. memory is 11.5 GB. [2018-11-23 12:49:47,070 INFO L168 Benchmark]: TraceAbstraction took 7706.10 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 272.1 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 50.5 MB). Peak memory consumption was 425.1 MB. Max. memory is 11.5 GB. [2018-11-23 12:49:47,071 INFO L168 Benchmark]: Witness Printer took 66.71 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 11.5 GB. [2018-11-23 12:49:47,072 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 401.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -168.3 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.73 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 530.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 56.8 MB). Peak memory consumption was 56.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7706.10 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 272.1 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 50.5 MB). Peak memory consumption was 425.1 MB. Max. memory is 11.5 GB. * Witness Printer took 66.71 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 930]: 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: 305]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: (((((((2 <= waterLevel && pumpRunning == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || !(systemActive == 1)) || (((0 == pumpRunning && 1 <= waterLevel) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 28 procedures, 146 locations, 1 error locations. SAFE Result, 7.6s OverallTime, 13 OverallIterations, 2 TraceHistogramMax, 2.8s AutomataDifference, 0.0s DeadEndRemovalTime, 2.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 2148 SDtfs, 1667 SDslu, 5151 SDs, 0 SdLazy, 2589 SolverSat, 644 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 446 GetRequests, 358 SyntacticMatches, 2 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1460occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 13 MinimizatonAttempts, 645 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 60 LocationsWithAnnotation, 1864 PreInvPairs, 1940 NumberOfFragments, 1752 HoareAnnotationTreeSize, 1864 FomulaSimplifications, 11334 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 60 FomulaSimplificationsInter, 11542 FormulaSimplificationTreeSizeReductionInter, 1.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1510 NumberOfCodeBlocks, 1510 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1495 ConstructedInterpolants, 0 QuantifiedInterpolants, 269339 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1759 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 15 InterpolantComputations, 13 PerfectInterpolantSequences, 203/213 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...