./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product62_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c8827d69-c376-43d6-8501-2ec359add9d6/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c8827d69-c376-43d6-8501-2ec359add9d6/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c8827d69-c376-43d6-8501-2ec359add9d6/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c8827d69-c376-43d6-8501-2ec359add9d6/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product62_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c8827d69-c376-43d6-8501-2ec359add9d6/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c8827d69-c376-43d6-8501-2ec359add9d6/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 ce17648ffa5822f201dca35a60378555aafbd885 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 12:15:05,078 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 12:15:05,079 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 12:15:05,087 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 12:15:05,087 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 12:15:05,088 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 12:15:05,088 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 12:15:05,089 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 12:15:05,091 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 12:15:05,091 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 12:15:05,092 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 12:15:05,092 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 12:15:05,093 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 12:15:05,093 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 12:15:05,094 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 12:15:05,094 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 12:15:05,095 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 12:15:05,096 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 12:15:05,097 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 12:15:05,098 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 12:15:05,099 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 12:15:05,100 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 12:15:05,101 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 12:15:05,101 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 12:15:05,101 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 12:15:05,101 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 12:15:05,102 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 12:15:05,102 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 12:15:05,103 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 12:15:05,103 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 12:15:05,103 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 12:15:05,104 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 12:15:05,104 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 12:15:05,104 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 12:15:05,105 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 12:15:05,105 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 12:15:05,105 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c8827d69-c376-43d6-8501-2ec359add9d6/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 12:15:05,112 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 12:15:05,112 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 12:15:05,113 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 12:15:05,113 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 12:15:05,114 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 12:15:05,114 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 12:15:05,114 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 12:15:05,114 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 12:15:05,114 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 12:15:05,114 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 12:15:05,115 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 12:15:05,115 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 12:15:05,115 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 12:15:05,115 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 12:15:05,115 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 12:15:05,115 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 12:15:05,115 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 12:15:05,116 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 12:15:05,116 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 12:15:05,116 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 12:15:05,116 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 12:15:05,116 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 12:15:05,116 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 12:15:05,116 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 12:15:05,117 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 12:15:05,117 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 12:15:05,117 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 12:15:05,117 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 12:15:05,117 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 12:15:05,117 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 12:15:05,117 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_c8827d69-c376-43d6-8501-2ec359add9d6/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 -> ce17648ffa5822f201dca35a60378555aafbd885 [2018-11-28 12:15:05,140 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 12:15:05,148 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 12:15:05,150 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 12:15:05,151 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 12:15:05,151 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 12:15:05,152 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c8827d69-c376-43d6-8501-2ec359add9d6/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product62_true-unreach-call_false-termination.cil.c [2018-11-28 12:15:05,188 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c8827d69-c376-43d6-8501-2ec359add9d6/bin-2019/uautomizer/data/088d8c94c/01a0137ef0854c19b05ffb2dba82a299/FLAGeeb18b30a [2018-11-28 12:15:05,614 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 12:15:05,614 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c8827d69-c376-43d6-8501-2ec359add9d6/sv-benchmarks/c/product-lines/minepump_spec4_product62_true-unreach-call_false-termination.cil.c [2018-11-28 12:15:05,621 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c8827d69-c376-43d6-8501-2ec359add9d6/bin-2019/uautomizer/data/088d8c94c/01a0137ef0854c19b05ffb2dba82a299/FLAGeeb18b30a [2018-11-28 12:15:05,635 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c8827d69-c376-43d6-8501-2ec359add9d6/bin-2019/uautomizer/data/088d8c94c/01a0137ef0854c19b05ffb2dba82a299 [2018-11-28 12:15:05,637 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 12:15:05,638 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 12:15:05,638 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 12:15:05,638 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 12:15:05,640 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 12:15:05,641 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:15:05" (1/1) ... [2018-11-28 12:15:05,643 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13d9d830 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:15:05, skipping insertion in model container [2018-11-28 12:15:05,643 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:15:05" (1/1) ... [2018-11-28 12:15:05,649 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 12:15:05,680 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 12:15:05,860 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:15:05,910 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 12:15:05,961 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:15:05,978 INFO L195 MainTranslator]: Completed translation [2018-11-28 12:15:05,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:15:05 WrapperNode [2018-11-28 12:15:05,978 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 12:15:05,979 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 12:15:05,979 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 12:15:05,979 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 12:15:05,986 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:15:05" (1/1) ... [2018-11-28 12:15:05,999 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:15:05" (1/1) ... [2018-11-28 12:15:06,007 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 12:15:06,007 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 12:15:06,007 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 12:15:06,007 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 12:15:06,015 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:15:05" (1/1) ... [2018-11-28 12:15:06,016 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:15:05" (1/1) ... [2018-11-28 12:15:06,019 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:15:05" (1/1) ... [2018-11-28 12:15:06,019 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:15:05" (1/1) ... [2018-11-28 12:15:06,029 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:15:05" (1/1) ... [2018-11-28 12:15:06,035 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:15:05" (1/1) ... [2018-11-28 12:15:06,037 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:15:05" (1/1) ... [2018-11-28 12:15:06,040 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 12:15:06,040 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 12:15:06,041 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 12:15:06,041 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 12:15:06,041 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:15:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c8827d69-c376-43d6-8501-2ec359add9d6/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 12:15:06,079 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 12:15:06,079 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 12:15:06,080 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-28 12:15:06,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-28 12:15:06,080 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 12:15:06,080 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 12:15:06,080 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-28 12:15:06,080 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-28 12:15:06,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 12:15:06,080 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 12:15:06,080 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 12:15:06,081 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-28 12:15:06,081 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-28 12:15:06,081 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 12:15:06,081 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 12:15:06,081 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 12:15:06,081 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 12:15:06,081 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 12:15:06,081 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 12:15:06,081 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-28 12:15:06,081 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-28 12:15:06,082 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-28 12:15:06,082 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-28 12:15:06,082 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-28 12:15:06,082 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-28 12:15:06,082 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-28 12:15:06,082 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-28 12:15:06,082 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-28 12:15:06,082 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-28 12:15:06,082 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 12:15:06,083 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 12:15:06,083 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 12:15:06,083 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 12:15:06,083 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 12:15:06,083 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 12:15:06,083 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 12:15:06,083 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 12:15:06,083 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 12:15:06,083 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 12:15:06,083 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-28 12:15:06,083 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-28 12:15:06,084 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 12:15:06,084 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 12:15:06,084 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 12:15:06,084 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 12:15:06,084 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 12:15:06,084 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 12:15:06,084 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-28 12:15:06,084 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-28 12:15:06,084 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 12:15:06,084 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 12:15:06,085 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 12:15:06,085 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 12:15:06,085 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-28 12:15:06,085 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-28 12:15:06,085 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 12:15:06,085 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 12:15:06,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 12:15:06,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 12:15:06,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 12:15:06,085 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 12:15:06,086 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 12:15:06,086 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 12:15:06,086 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 12:15:06,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 12:15:06,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 12:15:06,552 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 12:15:06,553 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 12:15:06,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:15:06 BoogieIcfgContainer [2018-11-28 12:15:06,553 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 12:15:06,554 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 12:15:06,554 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 12:15:06,557 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 12:15:06,557 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:15:05" (1/3) ... [2018-11-28 12:15:06,558 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53418fcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:15:06, skipping insertion in model container [2018-11-28 12:15:06,558 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:15:05" (2/3) ... [2018-11-28 12:15:06,558 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53418fcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:15:06, skipping insertion in model container [2018-11-28 12:15:06,558 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:15:06" (3/3) ... [2018-11-28 12:15:06,560 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product62_true-unreach-call_false-termination.cil.c [2018-11-28 12:15:06,568 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 12:15:06,578 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 12:15:06,587 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 12:15:06,608 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 12:15:06,608 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 12:15:06,608 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 12:15:06,608 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 12:15:06,608 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 12:15:06,609 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 12:15:06,609 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 12:15:06,609 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 12:15:06,609 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 12:15:06,625 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states. [2018-11-28 12:15:06,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-28 12:15:06,632 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:15:06,632 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:15:06,634 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:15:06,637 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:15:06,638 INFO L82 PathProgramCache]: Analyzing trace with hash 1707468692, now seen corresponding path program 1 times [2018-11-28 12:15:06,639 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:15:06,639 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:15:06,669 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:15:06,669 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:15:06,669 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:15:06,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:15:06,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:15:06,813 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:15:06,813 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 12:15:06,815 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 12:15:06,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 12:15:06,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 12:15:06,824 INFO L87 Difference]: Start difference. First operand 170 states. Second operand 2 states. [2018-11-28 12:15:06,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:15:06,852 INFO L93 Difference]: Finished difference Result 314 states and 387 transitions. [2018-11-28 12:15:06,852 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 12:15:06,853 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-28 12:15:06,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:15:06,860 INFO L225 Difference]: With dead ends: 314 [2018-11-28 12:15:06,860 INFO L226 Difference]: Without dead ends: 157 [2018-11-28 12:15:06,864 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 12:15:06,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2018-11-28 12:15:06,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2018-11-28 12:15:06,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2018-11-28 12:15:06,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 185 transitions. [2018-11-28 12:15:06,904 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 185 transitions. Word has length 46 [2018-11-28 12:15:06,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:15:06,905 INFO L480 AbstractCegarLoop]: Abstraction has 157 states and 185 transitions. [2018-11-28 12:15:06,905 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 12:15:06,905 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 185 transitions. [2018-11-28 12:15:06,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-28 12:15:06,906 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:15:06,907 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:15:06,907 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:15:06,907 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:15:06,907 INFO L82 PathProgramCache]: Analyzing trace with hash -714026924, now seen corresponding path program 1 times [2018-11-28 12:15:06,907 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:15:06,907 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:15:06,908 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:15:06,908 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:15:06,908 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:15:06,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:15:06,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:15:06,997 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:15:06,998 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 12:15:06,999 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 12:15:07,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 12:15:07,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:15:07,000 INFO L87 Difference]: Start difference. First operand 157 states and 185 transitions. Second operand 3 states. [2018-11-28 12:15:07,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:15:07,024 INFO L93 Difference]: Finished difference Result 259 states and 305 transitions. [2018-11-28 12:15:07,024 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 12:15:07,024 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-28 12:15:07,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:15:07,026 INFO L225 Difference]: With dead ends: 259 [2018-11-28 12:15:07,026 INFO L226 Difference]: Without dead ends: 148 [2018-11-28 12:15:07,027 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:15:07,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2018-11-28 12:15:07,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2018-11-28 12:15:07,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2018-11-28 12:15:07,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 173 transitions. [2018-11-28 12:15:07,038 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 173 transitions. Word has length 47 [2018-11-28 12:15:07,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:15:07,038 INFO L480 AbstractCegarLoop]: Abstraction has 148 states and 173 transitions. [2018-11-28 12:15:07,038 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 12:15:07,038 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 173 transitions. [2018-11-28 12:15:07,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-28 12:15:07,039 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:15:07,039 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:15:07,039 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:15:07,039 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:15:07,040 INFO L82 PathProgramCache]: Analyzing trace with hash -418770940, now seen corresponding path program 1 times [2018-11-28 12:15:07,040 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:15:07,040 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:15:07,040 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:15:07,040 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:15:07,041 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:15:07,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:15:07,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:15:07,123 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:15:07,123 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 12:15:07,123 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 12:15:07,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 12:15:07,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:15:07,124 INFO L87 Difference]: Start difference. First operand 148 states and 173 transitions. Second operand 3 states. [2018-11-28 12:15:07,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:15:07,147 INFO L93 Difference]: Finished difference Result 272 states and 323 transitions. [2018-11-28 12:15:07,147 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 12:15:07,148 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-28 12:15:07,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:15:07,149 INFO L225 Difference]: With dead ends: 272 [2018-11-28 12:15:07,149 INFO L226 Difference]: Without dead ends: 148 [2018-11-28 12:15:07,150 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 [2018-11-28 12:15:07,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2018-11-28 12:15:07,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2018-11-28 12:15:07,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2018-11-28 12:15:07,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 172 transitions. [2018-11-28 12:15:07,162 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 172 transitions. Word has length 52 [2018-11-28 12:15:07,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:15:07,163 INFO L480 AbstractCegarLoop]: Abstraction has 148 states and 172 transitions. [2018-11-28 12:15:07,163 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 12:15:07,163 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 172 transitions. [2018-11-28 12:15:07,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-28 12:15:07,165 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:15:07,165 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:15:07,165 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:15:07,165 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:15:07,165 INFO L82 PathProgramCache]: Analyzing trace with hash -1599970304, now seen corresponding path program 1 times [2018-11-28 12:15:07,166 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:15:07,166 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:15:07,166 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:15:07,167 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:15:07,167 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:15:07,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:15:07,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:15:07,263 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:15:07,263 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 12:15:07,263 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 12:15:07,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 12:15:07,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 12:15:07,264 INFO L87 Difference]: Start difference. First operand 148 states and 172 transitions. Second operand 5 states. [2018-11-28 12:15:07,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:15:07,636 INFO L93 Difference]: Finished difference Result 389 states and 466 transitions. [2018-11-28 12:15:07,636 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 12:15:07,637 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2018-11-28 12:15:07,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:15:07,638 INFO L225 Difference]: With dead ends: 389 [2018-11-28 12:15:07,638 INFO L226 Difference]: Without dead ends: 265 [2018-11-28 12:15:07,639 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-28 12:15:07,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2018-11-28 12:15:07,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 246. [2018-11-28 12:15:07,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 246 states. [2018-11-28 12:15:07,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 276 transitions. [2018-11-28 12:15:07,663 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 276 transitions. Word has length 70 [2018-11-28 12:15:07,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:15:07,663 INFO L480 AbstractCegarLoop]: Abstraction has 246 states and 276 transitions. [2018-11-28 12:15:07,664 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 12:15:07,664 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 276 transitions. [2018-11-28 12:15:07,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-28 12:15:07,666 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:15:07,666 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:15:07,669 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:15:07,669 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:15:07,669 INFO L82 PathProgramCache]: Analyzing trace with hash 1641427357, now seen corresponding path program 1 times [2018-11-28 12:15:07,669 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:15:07,670 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:15:07,670 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:15:07,671 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:15:07,671 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:15:07,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:15:07,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:15:07,791 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:15:07,791 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-28 12:15:07,792 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-28 12:15:07,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-28 12:15:07,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-28 12:15:07,792 INFO L87 Difference]: Start difference. First operand 246 states and 276 transitions. Second operand 10 states. [2018-11-28 12:15:08,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:15:08,242 INFO L93 Difference]: Finished difference Result 803 states and 971 transitions. [2018-11-28 12:15:08,246 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-28 12:15:08,247 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 84 [2018-11-28 12:15:08,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:15:08,251 INFO L225 Difference]: With dead ends: 803 [2018-11-28 12:15:08,251 INFO L226 Difference]: Without dead ends: 581 [2018-11-28 12:15:08,252 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-11-28 12:15:08,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 581 states. [2018-11-28 12:15:08,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 571. [2018-11-28 12:15:08,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 571 states. [2018-11-28 12:15:08,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 660 transitions. [2018-11-28 12:15:08,288 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 660 transitions. Word has length 84 [2018-11-28 12:15:08,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:15:08,289 INFO L480 AbstractCegarLoop]: Abstraction has 571 states and 660 transitions. [2018-11-28 12:15:08,289 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-28 12:15:08,289 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 660 transitions. [2018-11-28 12:15:08,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-28 12:15:08,292 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:15:08,293 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:15:08,293 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:15:08,293 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:15:08,293 INFO L82 PathProgramCache]: Analyzing trace with hash 1576544304, now seen corresponding path program 1 times [2018-11-28 12:15:08,293 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:15:08,293 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:15:08,297 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:15:08,297 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:15:08,297 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:15:08,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:15:08,370 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 18 proven. 11 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-28 12:15:08,370 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:15:08,371 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c8827d69-c376-43d6-8501-2ec359add9d6/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 12:15:08,384 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:15:08,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:15:08,492 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:15:08,595 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:15:08,611 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 12:15:08,611 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [6] total 12 [2018-11-28 12:15:08,612 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-28 12:15:08,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-28 12:15:08,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2018-11-28 12:15:08,612 INFO L87 Difference]: Start difference. First operand 571 states and 660 transitions. Second operand 12 states. [2018-11-28 12:15:10,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:15:10,047 INFO L93 Difference]: Finished difference Result 1619 states and 2127 transitions. [2018-11-28 12:15:10,047 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-28 12:15:10,047 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 164 [2018-11-28 12:15:10,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:15:10,052 INFO L225 Difference]: With dead ends: 1619 [2018-11-28 12:15:10,053 INFO L226 Difference]: Without dead ends: 1072 [2018-11-28 12:15:10,055 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=162, Invalid=650, Unknown=0, NotChecked=0, Total=812 [2018-11-28 12:15:10,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1072 states. [2018-11-28 12:15:10,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1072 to 980. [2018-11-28 12:15:10,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 980 states. [2018-11-28 12:15:10,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 980 states to 980 states and 1179 transitions. [2018-11-28 12:15:10,113 INFO L78 Accepts]: Start accepts. Automaton has 980 states and 1179 transitions. Word has length 164 [2018-11-28 12:15:10,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:15:10,113 INFO L480 AbstractCegarLoop]: Abstraction has 980 states and 1179 transitions. [2018-11-28 12:15:10,113 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-28 12:15:10,114 INFO L276 IsEmpty]: Start isEmpty. Operand 980 states and 1179 transitions. [2018-11-28 12:15:10,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-11-28 12:15:10,115 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:15:10,115 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:15:10,116 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:15:10,116 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:15:10,116 INFO L82 PathProgramCache]: Analyzing trace with hash -1108348475, now seen corresponding path program 1 times [2018-11-28 12:15:10,116 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:15:10,116 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:15:10,117 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:15:10,117 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:15:10,117 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:15:10,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:15:10,198 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-28 12:15:10,198 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:15:10,198 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c8827d69-c376-43d6-8501-2ec359add9d6/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 12:15:10,206 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:15:10,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:15:10,283 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:15:10,332 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-28 12:15:10,349 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 12:15:10,349 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2018-11-28 12:15:10,350 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-28 12:15:10,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-28 12:15:10,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-11-28 12:15:10,350 INFO L87 Difference]: Start difference. First operand 980 states and 1179 transitions. Second operand 11 states. [2018-11-28 12:15:10,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:15:10,416 INFO L93 Difference]: Finished difference Result 1746 states and 2150 transitions. [2018-11-28 12:15:10,417 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 12:15:10,417 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 148 [2018-11-28 12:15:10,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:15:10,419 INFO L225 Difference]: With dead ends: 1746 [2018-11-28 12:15:10,420 INFO L226 Difference]: Without dead ends: 790 [2018-11-28 12:15:10,421 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-11-28 12:15:10,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2018-11-28 12:15:10,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 790. [2018-11-28 12:15:10,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 790 states. [2018-11-28 12:15:10,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 941 transitions. [2018-11-28 12:15:10,447 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 941 transitions. Word has length 148 [2018-11-28 12:15:10,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:15:10,447 INFO L480 AbstractCegarLoop]: Abstraction has 790 states and 941 transitions. [2018-11-28 12:15:10,447 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-28 12:15:10,447 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 941 transitions. [2018-11-28 12:15:10,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-28 12:15:10,450 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:15:10,450 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] [2018-11-28 12:15:10,450 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:15:10,450 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:15:10,450 INFO L82 PathProgramCache]: Analyzing trace with hash 466235648, now seen corresponding path program 1 times [2018-11-28 12:15:10,450 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:15:10,450 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:15:10,451 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:15:10,451 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:15:10,451 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:15:10,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:15:10,531 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-28 12:15:10,531 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:15:10,531 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-28 12:15:10,531 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 12:15:10,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 12:15:10,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-28 12:15:10,532 INFO L87 Difference]: Start difference. First operand 790 states and 941 transitions. Second operand 9 states. [2018-11-28 12:15:10,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:15:10,940 INFO L93 Difference]: Finished difference Result 2129 states and 2593 transitions. [2018-11-28 12:15:10,940 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-28 12:15:10,940 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 152 [2018-11-28 12:15:10,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:15:10,945 INFO L225 Difference]: With dead ends: 2129 [2018-11-28 12:15:10,945 INFO L226 Difference]: Without dead ends: 1363 [2018-11-28 12:15:10,947 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2018-11-28 12:15:10,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1363 states. [2018-11-28 12:15:10,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1363 to 1360. [2018-11-28 12:15:10,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1360 states. [2018-11-28 12:15:10,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1360 states to 1360 states and 1604 transitions. [2018-11-28 12:15:10,994 INFO L78 Accepts]: Start accepts. Automaton has 1360 states and 1604 transitions. Word has length 152 [2018-11-28 12:15:10,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:15:10,994 INFO L480 AbstractCegarLoop]: Abstraction has 1360 states and 1604 transitions. [2018-11-28 12:15:10,994 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 12:15:10,994 INFO L276 IsEmpty]: Start isEmpty. Operand 1360 states and 1604 transitions. [2018-11-28 12:15:10,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-28 12:15:10,996 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:15:10,997 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:15:10,997 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:15:10,997 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:15:10,997 INFO L82 PathProgramCache]: Analyzing trace with hash -507727844, now seen corresponding path program 1 times [2018-11-28 12:15:10,997 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:15:10,997 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:15:10,998 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:15:10,998 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:15:10,998 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:15:11,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:15:11,093 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 18 proven. 7 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-28 12:15:11,093 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:15:11,094 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c8827d69-c376-43d6-8501-2ec359add9d6/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 12:15:11,101 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:15:11,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:15:11,175 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:15:11,277 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-28 12:15:11,292 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 12:15:11,293 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-11-28 12:15:11,293 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-28 12:15:11,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-28 12:15:11,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-11-28 12:15:11,294 INFO L87 Difference]: Start difference. First operand 1360 states and 1604 transitions. Second operand 19 states. [2018-11-28 12:15:11,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:15:11,854 INFO L93 Difference]: Finished difference Result 2523 states and 3021 transitions. [2018-11-28 12:15:11,855 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-28 12:15:11,855 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 156 [2018-11-28 12:15:11,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:15:11,859 INFO L225 Difference]: With dead ends: 2523 [2018-11-28 12:15:11,860 INFO L226 Difference]: Without dead ends: 1323 [2018-11-28 12:15:11,862 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 151 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-11-28 12:15:11,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1323 states. [2018-11-28 12:15:11,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1323 to 1320. [2018-11-28 12:15:11,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1320 states. [2018-11-28 12:15:11,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 1320 states and 1549 transitions. [2018-11-28 12:15:11,918 INFO L78 Accepts]: Start accepts. Automaton has 1320 states and 1549 transitions. Word has length 156 [2018-11-28 12:15:11,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:15:11,918 INFO L480 AbstractCegarLoop]: Abstraction has 1320 states and 1549 transitions. [2018-11-28 12:15:11,919 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-28 12:15:11,919 INFO L276 IsEmpty]: Start isEmpty. Operand 1320 states and 1549 transitions. [2018-11-28 12:15:11,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-28 12:15:11,920 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:15:11,920 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:15:11,921 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:15:11,921 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:15:11,921 INFO L82 PathProgramCache]: Analyzing trace with hash 1188948764, now seen corresponding path program 2 times [2018-11-28 12:15:11,921 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:15:11,921 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:15:11,922 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:15:11,922 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:15:11,922 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:15:11,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:15:12,032 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-28 12:15:12,033 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:15:12,033 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 12:15:12,033 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 12:15:12,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 12:15:12,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 12:15:12,034 INFO L87 Difference]: Start difference. First operand 1320 states and 1549 transitions. Second operand 6 states. [2018-11-28 12:15:12,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:15:12,192 INFO L93 Difference]: Finished difference Result 1345 states and 1578 transitions. [2018-11-28 12:15:12,193 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 12:15:12,193 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 156 [2018-11-28 12:15:12,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:15:12,198 INFO L225 Difference]: With dead ends: 1345 [2018-11-28 12:15:12,198 INFO L226 Difference]: Without dead ends: 1342 [2018-11-28 12:15:12,199 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-28 12:15:12,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1342 states. [2018-11-28 12:15:12,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1342 to 1320. [2018-11-28 12:15:12,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1320 states. [2018-11-28 12:15:12,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 1320 states and 1541 transitions. [2018-11-28 12:15:12,271 INFO L78 Accepts]: Start accepts. Automaton has 1320 states and 1541 transitions. Word has length 156 [2018-11-28 12:15:12,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:15:12,271 INFO L480 AbstractCegarLoop]: Abstraction has 1320 states and 1541 transitions. [2018-11-28 12:15:12,271 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 12:15:12,272 INFO L276 IsEmpty]: Start isEmpty. Operand 1320 states and 1541 transitions. [2018-11-28 12:15:12,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-28 12:15:12,274 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:15:12,275 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:15:12,275 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:15:12,275 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:15:12,275 INFO L82 PathProgramCache]: Analyzing trace with hash 1039540579, now seen corresponding path program 1 times [2018-11-28 12:15:12,275 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:15:12,275 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:15:12,276 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:15:12,276 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 12:15:12,276 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:15:12,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:15:12,395 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-28 12:15:12,396 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:15:12,396 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-28 12:15:12,396 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 12:15:12,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 12:15:12,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-28 12:15:12,397 INFO L87 Difference]: Start difference. First operand 1320 states and 1541 transitions. Second operand 9 states. [2018-11-28 12:15:12,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:15:12,480 INFO L93 Difference]: Finished difference Result 2504 states and 2957 transitions. [2018-11-28 12:15:12,480 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 12:15:12,481 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 174 [2018-11-28 12:15:12,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:15:12,486 INFO L225 Difference]: With dead ends: 2504 [2018-11-28 12:15:12,486 INFO L226 Difference]: Without dead ends: 1344 [2018-11-28 12:15:12,489 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 [2018-11-28 12:15:12,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1344 states. [2018-11-28 12:15:12,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1344 to 1335. [2018-11-28 12:15:12,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1335 states. [2018-11-28 12:15:12,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1335 states to 1335 states and 1556 transitions. [2018-11-28 12:15:12,557 INFO L78 Accepts]: Start accepts. Automaton has 1335 states and 1556 transitions. Word has length 174 [2018-11-28 12:15:12,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:15:12,558 INFO L480 AbstractCegarLoop]: Abstraction has 1335 states and 1556 transitions. [2018-11-28 12:15:12,558 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 12:15:12,558 INFO L276 IsEmpty]: Start isEmpty. Operand 1335 states and 1556 transitions. [2018-11-28 12:15:12,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-28 12:15:12,560 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:15:12,560 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:15:12,560 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:15:12,560 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:15:12,561 INFO L82 PathProgramCache]: Analyzing trace with hash -1011443419, now seen corresponding path program 1 times [2018-11-28 12:15:12,561 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:15:12,561 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:15:12,561 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:15:12,561 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:15:12,561 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:15:12,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:15:12,692 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-28 12:15:12,692 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:15:12,692 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c8827d69-c376-43d6-8501-2ec359add9d6/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 12:15:12,704 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:15:12,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:15:12,806 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:15:12,933 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 19 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:15:12,981 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 12:15:12,981 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 14 [2018-11-28 12:15:12,981 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-28 12:15:12,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-28 12:15:12,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2018-11-28 12:15:12,982 INFO L87 Difference]: Start difference. First operand 1335 states and 1556 transitions. Second operand 14 states. [2018-11-28 12:15:13,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:15:13,990 INFO L93 Difference]: Finished difference Result 2005 states and 2435 transitions. [2018-11-28 12:15:13,990 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-28 12:15:13,990 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 174 [2018-11-28 12:15:13,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:15:13,991 INFO L225 Difference]: With dead ends: 2005 [2018-11-28 12:15:13,991 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 12:15:13,994 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=165, Invalid=591, Unknown=0, NotChecked=0, Total=756 [2018-11-28 12:15:13,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 12:15:13,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 12:15:13,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 12:15:13,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 12:15:13,994 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 174 [2018-11-28 12:15:13,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:15:13,994 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 12:15:13,994 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-28 12:15:13,995 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 12:15:13,995 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 12:15:13,998 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 12:15:14,208 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:15:14,209 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:15:14,210 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:15:14,211 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:15:14,211 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:15:14,212 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:15:14,213 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:15:14,213 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:15:14,214 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:15:14,253 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:15:14,255 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:15:14,255 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:15:14,256 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:15:14,258 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:15:14,259 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:15:14,259 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:15:14,260 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:15:14,275 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:15:14,276 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:15:14,276 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:15:14,277 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:15:14,279 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:15:14,280 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:15:14,281 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:15:14,281 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:15:14,282 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:15:14,328 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:15:14,328 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:15:14,329 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:15:14,329 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:15:14,331 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:15:14,331 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:15:14,333 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:15:14,333 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:15:14,392 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:15:14,392 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:15:14,393 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:15:14,393 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:15:14,396 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:15:14,398 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:15:14,399 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:15:14,400 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:15:14,402 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:15:14,568 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 18 [2018-11-28 12:15:14,881 WARN L180 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 21 [2018-11-28 12:15:15,796 WARN L180 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 41 [2018-11-28 12:15:16,930 WARN L180 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 37 [2018-11-28 12:15:17,050 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 23 [2018-11-28 12:15:17,068 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 427 433) the Hoare annotation is: true [2018-11-28 12:15:17,068 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 427 433) no Hoare annotation was computed. [2018-11-28 12:15:17,068 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 434 442) no Hoare annotation was computed. [2018-11-28 12:15:17,069 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 434 442) the Hoare annotation is: true [2018-11-28 12:15:17,069 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 434 442) no Hoare annotation was computed. [2018-11-28 12:15:17,069 INFO L448 ceAbstractionStarter]: For program point L386-1(line 386) no Hoare annotation was computed. [2018-11-28 12:15:17,069 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 380 404) the Hoare annotation is: true [2018-11-28 12:15:17,069 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 380 404) no Hoare annotation was computed. [2018-11-28 12:15:17,069 INFO L444 ceAbstractionStarter]: At program point L394(line 394) the Hoare annotation is: (let ((.cse1 (< ~waterLevel~0 2)) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse0 (= ~systemActive~0 0)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse0 .cse1) (or .cse3 .cse4 .cse0 (not (= ~waterLevel~0 1))) (or .cse4 .cse0 (< ~waterLevel~0 1) .cse2))) [2018-11-28 12:15:17,069 INFO L448 ceAbstractionStarter]: For program point L392(lines 392 398) no Hoare annotation was computed. [2018-11-28 12:15:17,069 INFO L444 ceAbstractionStarter]: At program point L390(line 390) the Hoare annotation is: (let ((.cse1 (< ~waterLevel~0 2)) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse0 (= ~systemActive~0 0)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse0 .cse1) (or .cse3 .cse4 .cse0 (not (= ~waterLevel~0 1))) (or .cse4 .cse0 (< ~waterLevel~0 1) .cse2))) [2018-11-28 12:15:17,069 INFO L448 ceAbstractionStarter]: For program point L390-1(line 390) no Hoare annotation was computed. [2018-11-28 12:15:17,069 INFO L448 ceAbstractionStarter]: For program point L388(lines 388 401) no Hoare annotation was computed. [2018-11-28 12:15:17,069 INFO L448 ceAbstractionStarter]: For program point L388-1(lines 380 404) no Hoare annotation was computed. [2018-11-28 12:15:17,069 INFO L451 ceAbstractionStarter]: At program point L386(line 386) the Hoare annotation is: true [2018-11-28 12:15:17,070 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 516 538) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:15:17,070 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 516 538) no Hoare annotation was computed. [2018-11-28 12:15:17,070 INFO L444 ceAbstractionStarter]: At program point L528(line 528) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~8 1) (not (= ~systemActive~0 0)) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:15:17,070 INFO L444 ceAbstractionStarter]: At program point L528-1(line 528) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~8 1) (not (= ~systemActive~0 0)) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:15:17,070 INFO L448 ceAbstractionStarter]: For program point L526(lines 526 533) no Hoare annotation was computed. [2018-11-28 12:15:17,070 INFO L448 ceAbstractionStarter]: For program point L526-1(lines 526 533) no Hoare annotation was computed. [2018-11-28 12:15:17,070 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 516 538) no Hoare annotation was computed. [2018-11-28 12:15:17,070 INFO L448 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-28 12:15:17,070 INFO L444 ceAbstractionStarter]: At program point L523(line 523) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:15:17,070 INFO L444 ceAbstractionStarter]: At program point L522(line 522) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:15:17,070 INFO L444 ceAbstractionStarter]: At program point L522-1(line 522) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:15:17,070 INFO L444 ceAbstractionStarter]: At program point L211(line 211) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (= |old(~pumpRunning~0)| 0) .cse3) (or .cse0 .cse1 .cse2 .cse3))) [2018-11-28 12:15:17,071 INFO L448 ceAbstractionStarter]: For program point L211-1(lines 192 216) no Hoare annotation was computed. [2018-11-28 12:15:17,071 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 192 216) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 12:15:17,071 INFO L444 ceAbstractionStarter]: At program point L206(line 206) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 12:15:17,071 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 192 216) no Hoare annotation was computed. [2018-11-28 12:15:17,071 INFO L444 ceAbstractionStarter]: At program point L202(line 202) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (< ~waterLevel~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse2 .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-28 12:15:17,071 INFO L448 ceAbstractionStarter]: For program point L200(lines 200 208) no Hoare annotation was computed. [2018-11-28 12:15:17,071 INFO L444 ceAbstractionStarter]: At program point L198(line 198) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (< ~waterLevel~0 1)) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse1 .cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse3))) [2018-11-28 12:15:17,071 INFO L448 ceAbstractionStarter]: For program point L198-1(line 198) no Hoare annotation was computed. [2018-11-28 12:15:17,071 INFO L448 ceAbstractionStarter]: For program point L196(lines 196 213) no Hoare annotation was computed. [2018-11-28 12:15:17,071 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 287 295) no Hoare annotation was computed. [2018-11-28 12:15:17,071 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 287 295) the Hoare annotation is: true [2018-11-28 12:15:17,071 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 287 295) no Hoare annotation was computed. [2018-11-28 12:15:17,071 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 351 369) the Hoare annotation is: true [2018-11-28 12:15:17,071 INFO L448 ceAbstractionStarter]: For program point L360(lines 360 364) no Hoare annotation was computed. [2018-11-28 12:15:17,071 INFO L451 ceAbstractionStarter]: At program point L358(line 358) the Hoare annotation is: true [2018-11-28 12:15:17,071 INFO L448 ceAbstractionStarter]: For program point L360-2(lines 360 364) no Hoare annotation was computed. [2018-11-28 12:15:17,072 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 351 369) no Hoare annotation was computed. [2018-11-28 12:15:17,072 INFO L448 ceAbstractionStarter]: For program point L358-1(line 358) no Hoare annotation was computed. [2018-11-28 12:15:17,072 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 351 369) no Hoare annotation was computed. [2018-11-28 12:15:17,072 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 420 426) no Hoare annotation was computed. [2018-11-28 12:15:17,072 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 420 426) the Hoare annotation is: true [2018-11-28 12:15:17,072 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 506 515) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:15:17,072 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 506 515) no Hoare annotation was computed. [2018-11-28 12:15:17,072 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 506 515) no Hoare annotation was computed. [2018-11-28 12:15:17,072 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 276 286) the Hoare annotation is: true [2018-11-28 12:15:17,072 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 276 286) no Hoare annotation was computed. [2018-11-28 12:15:17,072 INFO L451 ceAbstractionStarter]: At program point L281(line 281) the Hoare annotation is: true [2018-11-28 12:15:17,072 INFO L448 ceAbstractionStarter]: For program point L281-1(line 281) no Hoare annotation was computed. [2018-11-28 12:15:17,072 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 276 286) no Hoare annotation was computed. [2018-11-28 12:15:17,072 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 268 275) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (= |old(~pumpRunning~0)| 0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse3 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 12:15:17,072 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 268 275) no Hoare annotation was computed. [2018-11-28 12:15:17,072 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 268 275) no Hoare annotation was computed. [2018-11-28 12:15:17,072 INFO L448 ceAbstractionStarter]: For program point L989(lines 989 995) no Hoare annotation was computed. [2018-11-28 12:15:17,072 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 985 998) no Hoare annotation was computed. [2018-11-28 12:15:17,072 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 985 998) the Hoare annotation is: true [2018-11-28 12:15:17,073 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 985 998) no Hoare annotation was computed. [2018-11-28 12:15:17,073 INFO L444 ceAbstractionStarter]: At program point L224(line 224) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (< ~waterLevel~0 1)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse5) (or .cse0 .cse4 .cse1 .cse2) (or .cse1 .cse2 .cse3 .cse5))) [2018-11-28 12:15:17,073 INFO L448 ceAbstractionStarter]: For program point L224-1(line 224) no Hoare annotation was computed. [2018-11-28 12:15:17,073 INFO L448 ceAbstractionStarter]: For program point L222(lines 222 239) no Hoare annotation was computed. [2018-11-28 12:15:17,073 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 218 242) no Hoare annotation was computed. [2018-11-28 12:15:17,073 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 218 242) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 12:15:17,073 INFO L444 ceAbstractionStarter]: At program point L237(line 237) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (= |old(~pumpRunning~0)| 0)) (.cse1 (= ~systemActive~0 0)) (.cse2 (< ~waterLevel~0 1)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse4) (or .cse1 .cse2 .cse3 .cse5))) [2018-11-28 12:15:17,073 INFO L448 ceAbstractionStarter]: For program point L237-1(lines 218 242) no Hoare annotation was computed. [2018-11-28 12:15:17,073 INFO L444 ceAbstractionStarter]: At program point L232(line 232) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (and (= processEnvironment_~tmp~3 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-11-28 12:15:17,073 INFO L444 ceAbstractionStarter]: At program point L228(line 228) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (= ~systemActive~0 0)) (.cse2 (< ~waterLevel~0 1))) (and (or .cse0 .cse1 (and (= processEnvironment_~tmp~3 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse2) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse2) (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 12:15:17,073 INFO L448 ceAbstractionStarter]: For program point L226(lines 226 234) no Hoare annotation was computed. [2018-11-28 12:15:17,073 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 158 164) no Hoare annotation was computed. [2018-11-28 12:15:17,073 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 158 164) the Hoare annotation is: true [2018-11-28 12:15:17,073 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 54 119) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:15:17,073 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 54 119) no Hoare annotation was computed. [2018-11-28 12:15:17,074 INFO L444 ceAbstractionStarter]: At program point L112(lines 63 113) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:15:17,074 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 106) no Hoare annotation was computed. [2018-11-28 12:15:17,074 INFO L444 ceAbstractionStarter]: At program point L102-2(lines 94 107) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 0))) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse2 .cse4) (and .cse1 .cse2 .cse3 .cse6 .cse4) (and .cse5 .cse2 .cse6 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 12:15:17,074 INFO L448 ceAbstractionStarter]: For program point L65(lines 64 111) no Hoare annotation was computed. [2018-11-28 12:15:17,074 INFO L444 ceAbstractionStarter]: At program point L96(line 96) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 0))) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse2 .cse4) (and .cse1 .cse2 .cse3 .cse6 .cse4) (and .cse5 .cse2 .cse6 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 12:15:17,074 INFO L448 ceAbstractionStarter]: For program point L94(lines 94 107) no Hoare annotation was computed. [2018-11-28 12:15:17,074 INFO L444 ceAbstractionStarter]: At program point L86(line 86) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 0))) (.cse3 (<= 1 ~waterLevel~0)) (.cse4 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 (<= 2 ~waterLevel~0) .cse2 .cse4) (and .cse1 .cse2 .cse3 (= ~methaneLevelCritical~0 1) .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 12:15:17,074 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 90) no Hoare annotation was computed. [2018-11-28 12:15:17,074 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 84 90) no Hoare annotation was computed. [2018-11-28 12:15:17,075 INFO L444 ceAbstractionStarter]: At program point L109(lines 64 111) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (not (= ~systemActive~0 0))) (.cse4 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse2 .cse3 (= ~methaneLevelCritical~0 1) .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (<= 2 ~waterLevel~0) .cse2 .cse4))) [2018-11-28 12:15:17,075 INFO L444 ceAbstractionStarter]: At program point L76(line 76) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (not (= ~systemActive~0 0))) (.cse4 (= test_~splverifierCounter~0 0))) (or (= |old(~systemActive~0)| 0) (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse2 .cse3 (= ~methaneLevelCritical~0 1) .cse4) (and .cse0 (and (<= 2 ~waterLevel~0) .cse2 .cse4)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 12:15:17,075 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 80) no Hoare annotation was computed. [2018-11-28 12:15:17,075 INFO L448 ceAbstractionStarter]: For program point L74-1(lines 74 80) no Hoare annotation was computed. [2018-11-28 12:15:17,075 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 54 119) no Hoare annotation was computed. [2018-11-28 12:15:17,075 INFO L448 ceAbstractionStarter]: For program point L66(lines 66 70) no Hoare annotation was computed. [2018-11-28 12:15:17,075 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 243 250) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 2) (not (= ~methaneLevelCritical~0 0))) [2018-11-28 12:15:17,075 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 243 250) no Hoare annotation was computed. [2018-11-28 12:15:17,075 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 243 250) no Hoare annotation was computed. [2018-11-28 12:15:17,075 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 999 1007) no Hoare annotation was computed. [2018-11-28 12:15:17,075 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 999 1007) the Hoare annotation is: true [2018-11-28 12:15:17,075 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 999 1007) no Hoare annotation was computed. [2018-11-28 12:15:17,076 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 12:15:17,076 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 12:15:17,076 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 12:15:17,076 INFO L444 ceAbstractionStarter]: At program point L256(line 256) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (< ~waterLevel~0 2))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 12:15:17,076 INFO L448 ceAbstractionStarter]: For program point L256-1(line 256) no Hoare annotation was computed. [2018-11-28 12:15:17,076 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 251 267) no Hoare annotation was computed. [2018-11-28 12:15:17,076 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 251 267) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (< ~waterLevel~0 2))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 12:15:17,076 INFO L444 ceAbstractionStarter]: At program point L262(line 262) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (< ~waterLevel~0 2))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse0 (and (= activatePump_~tmp~4 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 12:15:17,076 INFO L448 ceAbstractionStarter]: For program point L262-1(lines 251 267) no Hoare annotation was computed. [2018-11-28 12:15:17,076 INFO L448 ceAbstractionStarter]: For program point L258(lines 258 264) no Hoare annotation was computed. [2018-11-28 12:15:17,076 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 976 984) the Hoare annotation is: true [2018-11-28 12:15:17,076 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 976 984) no Hoare annotation was computed. [2018-11-28 12:15:17,077 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 976 984) no Hoare annotation was computed. [2018-11-28 12:15:17,077 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 332 350) no Hoare annotation was computed. [2018-11-28 12:15:17,077 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 332 350) the Hoare annotation is: true [2018-11-28 12:15:17,077 INFO L448 ceAbstractionStarter]: For program point L341(lines 341 345) no Hoare annotation was computed. [2018-11-28 12:15:17,077 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 332 350) no Hoare annotation was computed. [2018-11-28 12:15:17,077 INFO L451 ceAbstractionStarter]: At program point L339(line 339) the Hoare annotation is: true [2018-11-28 12:15:17,077 INFO L448 ceAbstractionStarter]: For program point L341-2(lines 341 345) no Hoare annotation was computed. [2018-11-28 12:15:17,077 INFO L448 ceAbstractionStarter]: For program point L339-1(line 339) no Hoare annotation was computed. [2018-11-28 12:15:17,077 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 932 943) the Hoare annotation is: (let ((.cse2 (= 0 ~methaneLevelCritical~0)) (.cse1 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse0 (= ~systemActive~0 0)) (.cse4 (< ~waterLevel~0 1))) (and (or .cse0 (< ~waterLevel~0 2) .cse1 .cse2) (or .cse3 .cse0 .cse4 .cse2 .cse1) (or (not (= |old(~methaneLevelCritical~0)| 1)) .cse3 .cse0 .cse4 (= ~methaneLevelCritical~0 1)))) [2018-11-28 12:15:17,077 INFO L448 ceAbstractionStarter]: For program point L936-1(lines 932 943) no Hoare annotation was computed. [2018-11-28 12:15:17,077 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 932 943) no Hoare annotation was computed. [2018-11-28 12:15:17,078 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 944 952) the Hoare annotation is: true [2018-11-28 12:15:17,078 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 944 952) no Hoare annotation was computed. [2018-11-28 12:15:17,078 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 944 952) no Hoare annotation was computed. [2018-11-28 12:15:17,078 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 445 474) no Hoare annotation was computed. [2018-11-28 12:15:17,078 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 445 474) the Hoare annotation is: true [2018-11-28 12:15:17,078 INFO L451 ceAbstractionStarter]: At program point L470(lines 445 474) the Hoare annotation is: true [2018-11-28 12:15:17,078 INFO L448 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-11-28 12:15:17,078 INFO L448 ceAbstractionStarter]: For program point L459(lines 459 463) no Hoare annotation was computed. [2018-11-28 12:15:17,078 INFO L451 ceAbstractionStarter]: At program point L459-1(lines 459 463) the Hoare annotation is: true [2018-11-28 12:15:17,078 INFO L448 ceAbstractionStarter]: For program point L456(line 456) no Hoare annotation was computed. [2018-11-28 12:15:17,078 INFO L451 ceAbstractionStarter]: At program point L455-2(lines 455 469) the Hoare annotation is: true [2018-11-28 12:15:17,078 INFO L451 ceAbstractionStarter]: At program point L451(line 451) the Hoare annotation is: true [2018-11-28 12:15:17,078 INFO L448 ceAbstractionStarter]: For program point L451-1(line 451) no Hoare annotation was computed. [2018-11-28 12:15:17,079 INFO L444 ceAbstractionStarter]: At program point L147(line 147) the Hoare annotation is: (let ((.cse10 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse9 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse3 (< |old(~waterLevel~0)| 2)) (.cse6 (<= 2 |old(~waterLevel~0)|)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse7 (< |old(~waterLevel~0)| 1)) (.cse8 (and (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) .cse10)) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (or .cse1 .cse2) .cse3 .cse4) (or .cse5 .cse6 .cse1 .cse2 .cse7 .cse8) (or (and (not (= |old(~pumpRunning~0)| 0)) .cse9 .cse10) .cse5 .cse2 (and .cse0 .cse10) .cse3) (or .cse2 (and .cse9 .cse10) .cse3 .cse4) (or .cse6 .cse1 .cse2 .cse7 .cse8 .cse4)))) [2018-11-28 12:15:17,079 INFO L444 ceAbstractionStarter]: At program point L145(lines 145 151) the Hoare annotation is: (let ((.cse9 (= 0 ~pumpRunning~0)) (.cse6 (= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (< |old(~waterLevel~0)| 1)) (.cse4 (and .cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse8 (and (not (= |old(~pumpRunning~0)| 0)) .cse9 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (= ~systemActive~0 0)) (.cse7 (< |old(~waterLevel~0)| 2))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (<= 2 |old(~waterLevel~0)|) .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse2 .cse7 .cse5 .cse8) (or .cse8 .cse0 .cse2 (and .cse9 .cse6) .cse7)))) [2018-11-28 12:15:17,079 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 134 157) the Hoare annotation is: (let ((.cse9 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse4 (<= 2 |old(~waterLevel~0)|)) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< |old(~waterLevel~0)| 1)) (.cse7 (and (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) .cse9)) (.cse2 (= ~systemActive~0 0)) (.cse3 (< |old(~waterLevel~0)| 2)) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse9))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse5 .cse2 .cse6 .cse7) (or .cse4 .cse5 .cse2 .cse6 .cse7 .cse8) (or .cse2 .cse3 .cse8 .cse0)))) [2018-11-28 12:15:17,079 INFO L444 ceAbstractionStarter]: At program point L140(line 140) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (= ~systemActive~0 0)) (.cse4 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (< |old(~waterLevel~0)| 2))) (and (or .cse0 .cse1 .cse2 (not (= |old(~waterLevel~0)| 1))) (or .cse1 .cse2 (< |old(~waterLevel~0)| 1) .cse3) (or .cse2 (and .cse4 .cse5) .cse6 .cse3) (or .cse0 .cse2 (and (not (= |old(~pumpRunning~0)| 0)) .cse4 .cse5) .cse6))) [2018-11-28 12:15:17,079 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 134 157) no Hoare annotation was computed. [2018-11-28 12:15:17,079 INFO L448 ceAbstractionStarter]: For program point L138(lines 137 156) no Hoare annotation was computed. [2018-11-28 12:15:17,079 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 134 157) no Hoare annotation was computed. [2018-11-28 12:15:17,079 INFO L448 ceAbstractionStarter]: For program point L912-1(lines 908 919) no Hoare annotation was computed. [2018-11-28 12:15:17,079 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 908 919) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (or (= ~systemActive~0 0) (= ~pumpRunning~0 0) (< |old(~waterLevel~0)| 2)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 12:15:17,080 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 908 919) no Hoare annotation was computed. [2018-11-28 12:15:17,080 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 499 505) no Hoare annotation was computed. [2018-11-28 12:15:17,080 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 499 505) the Hoare annotation is: true [2018-11-28 12:15:17,080 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 12:15:17,080 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0)) (<= 1 ~waterLevel~0) (< ~waterLevel~0 2)) [2018-11-28 12:15:17,080 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 12:15:17,080 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 12:15:17,080 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 166 190) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (< ~waterLevel~0 1)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 12:15:17,080 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 166 190) no Hoare annotation was computed. [2018-11-28 12:15:17,080 INFO L444 ceAbstractionStarter]: At program point L185(line 185) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (< ~waterLevel~0 1))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-28 12:15:17,080 INFO L448 ceAbstractionStarter]: For program point L185-1(lines 166 190) no Hoare annotation was computed. [2018-11-28 12:15:17,081 INFO L444 ceAbstractionStarter]: At program point L180(line 180) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse1 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse3 (< ~waterLevel~0 1))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 .cse1 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 12:15:17,081 INFO L444 ceAbstractionStarter]: At program point L176(line 176) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (and (<= 2 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse3 (< ~waterLevel~0 1))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 12:15:17,081 INFO L448 ceAbstractionStarter]: For program point L174(lines 174 182) no Hoare annotation was computed. [2018-11-28 12:15:17,081 INFO L444 ceAbstractionStarter]: At program point L172(line 172) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (< ~waterLevel~0 1)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 12:15:17,081 INFO L448 ceAbstractionStarter]: For program point L172-1(line 172) no Hoare annotation was computed. [2018-11-28 12:15:17,081 INFO L448 ceAbstractionStarter]: For program point L170(lines 170 187) no Hoare annotation was computed. [2018-11-28 12:15:17,081 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 370 377) no Hoare annotation was computed. [2018-11-28 12:15:17,081 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 370 377) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse3 (< ~waterLevel~0 2)) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse2 (= |old(~systemActive~0)| 0)) (.cse5 (< ~waterLevel~0 1)) (.cse0 (not (= ~systemActive~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse2 .cse5 .cse0) (or .cse2 .cse3 .cse6 .cse0) (or .cse4 .cse2 .cse5 .cse0 .cse6))) [2018-11-28 12:15:17,081 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 370 377) no Hoare annotation was computed. [2018-11-28 12:15:17,081 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 920 931) no Hoare annotation was computed. [2018-11-28 12:15:17,081 INFO L448 ceAbstractionStarter]: For program point L924-1(lines 920 931) no Hoare annotation was computed. [2018-11-28 12:15:17,082 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 920 931) the Hoare annotation is: (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse3 (< |old(~waterLevel~0)| 1)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (= ~systemActive~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or (<= 2 |old(~waterLevel~0)|) (and (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) .cse1 .cse2 .cse3 .cse4) (or (< |old(~waterLevel~0)| 2) .cse4 .cse0 .cse1))) [2018-11-28 12:15:17,082 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-11-28 12:15:17,082 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-11-28 12:15:17,082 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-11-28 12:15:17,082 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-11-28 12:15:17,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 12:15:17 BoogieIcfgContainer [2018-11-28 12:15:17,093 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 12:15:17,093 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 12:15:17,093 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 12:15:17,093 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 12:15:17,094 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:15:06" (3/4) ... [2018-11-28 12:15:17,097 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 12:15:17,102 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 12:15:17,102 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 12:15:17,102 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-11-28 12:15:17,102 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 12:15:17,102 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-28 12:15:17,102 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 12:15:17,103 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-28 12:15:17,103 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 12:15:17,103 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 12:15:17,103 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-28 12:15:17,103 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 12:15:17,103 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-28 12:15:17,103 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 12:15:17,103 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-28 12:15:17,103 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 12:15:17,103 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-28 12:15:17,103 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-28 12:15:17,103 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 12:15:17,104 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-28 12:15:17,104 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-28 12:15:17,104 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-28 12:15:17,104 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 12:15:17,104 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-28 12:15:17,104 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 12:15:17,104 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 12:15:17,104 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 12:15:17,104 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 12:15:17,104 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 12:15:17,105 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-28 12:15:17,105 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 12:15:17,105 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 12:15:17,111 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges [2018-11-28 12:15:17,111 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-28 12:15:17,112 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-28 12:15:17,112 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-28 12:15:17,112 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 12:15:17,113 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 12:15:17,133 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0 == \old(pumpRunning)) || \old(systemActive) == 0) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && !(systemActive == 0)) && 1 <= waterLevel) && splverifierCounter == 0)) || ((((0 == pumpRunning && !(systemActive == 0)) && 1 <= waterLevel) && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || (((0 == methaneLevelCritical && 2 <= waterLevel) && !(systemActive == 0)) && splverifierCounter == 0) [2018-11-28 12:15:17,133 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || \old(systemActive) == 0) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 12:15:17,166 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c8827d69-c376-43d6-8501-2ec359add9d6/bin-2019/uautomizer/witness.graphml [2018-11-28 12:15:17,166 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 12:15:17,167 INFO L168 Benchmark]: Toolchain (without parser) took 11529.85 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 466.1 MB). Free memory was 952.6 MB in the beginning and 1.1 GB in the end (delta: -150.1 MB). Peak memory consumption was 316.0 MB. Max. memory is 11.5 GB. [2018-11-28 12:15:17,167 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:15:17,168 INFO L168 Benchmark]: CACSL2BoogieTranslator took 340.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 952.6 MB in the beginning and 1.1 GB in the end (delta: -193.5 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. [2018-11-28 12:15:17,168 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.31 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:15:17,168 INFO L168 Benchmark]: Boogie Preprocessor took 33.02 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-28 12:15:17,168 INFO L168 Benchmark]: RCFGBuilder took 512.62 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: 50.6 MB). Peak memory consumption was 50.6 MB. Max. memory is 11.5 GB. [2018-11-28 12:15:17,168 INFO L168 Benchmark]: TraceAbstraction took 10539.14 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 309.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -22.0 MB). Peak memory consumption was 466.0 MB. Max. memory is 11.5 GB. [2018-11-28 12:15:17,169 INFO L168 Benchmark]: Witness Printer took 73.25 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2018-11-28 12:15:17,170 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 340.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 952.6 MB in the beginning and 1.1 GB in the end (delta: -193.5 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.31 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 33.02 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 512.62 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: 50.6 MB). Peak memory consumption was 50.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 10539.14 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 309.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -22.0 MB). Peak memory consumption was 466.0 MB. Max. memory is 11.5 GB. * Witness Printer took 73.25 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 63]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || \old(systemActive) == 0) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (((((!(0 == \old(pumpRunning)) || \old(systemActive) == 0) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && !(systemActive == 0)) && 1 <= waterLevel) && splverifierCounter == 0)) || ((((0 == pumpRunning && !(systemActive == 0)) && 1 <= waterLevel) && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || (((0 == methaneLevelCritical && 2 <= waterLevel) && !(systemActive == 0)) && splverifierCounter == 0) - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 32 procedures, 170 locations, 1 error locations. SAFE Result, 10.4s OverallTime, 12 OverallIterations, 2 TraceHistogramMax, 4.7s AutomataDifference, 0.0s DeadEndRemovalTime, 3.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2455 SDtfs, 2476 SDslu, 9122 SDs, 0 SdLazy, 6197 SolverSat, 1001 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 831 GetRequests, 680 SyntacticMatches, 2 SemanticMatches, 149 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 504 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1360occurred in iteration=8, 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, 12 MinimizatonAttempts, 158 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 71 LocationsWithAnnotation, 3310 PreInvPairs, 3495 NumberOfFragments, 2293 HoareAnnotationTreeSize, 3310 FomulaSimplifications, 8674 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 71 FomulaSimplificationsInter, 12728 FormulaSimplificationTreeSizeReductionInter, 2.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 2065 NumberOfCodeBlocks, 2065 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 2049 ConstructedInterpolants, 0 QuantifiedInterpolants, 464254 SizeOfPredicates, 13 NumberOfNonLiveVariables, 3562 ConjunctsInSsa, 38 ConjunctsInUnsatCore, 16 InterpolantComputations, 11 PerfectInterpolantSequences, 379/427 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...