./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product55_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_aeb3a29f-b1a7-49b0-88bd-5d163fc821dd/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_aeb3a29f-b1a7-49b0-88bd-5d163fc821dd/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_aeb3a29f-b1a7-49b0-88bd-5d163fc821dd/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_aeb3a29f-b1a7-49b0-88bd-5d163fc821dd/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product55_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_aeb3a29f-b1a7-49b0-88bd-5d163fc821dd/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_aeb3a29f-b1a7-49b0-88bd-5d163fc821dd/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 d3b2c25dcf3994b536a04bc5bf3e1c9a29f5c50b .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 13:35:44,073 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 13:35:44,074 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 13:35:44,081 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 13:35:44,081 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 13:35:44,082 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 13:35:44,083 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 13:35:44,084 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 13:35:44,085 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 13:35:44,085 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 13:35:44,086 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 13:35:44,086 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 13:35:44,086 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 13:35:44,087 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 13:35:44,087 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 13:35:44,088 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 13:35:44,088 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 13:35:44,089 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 13:35:44,090 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 13:35:44,091 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 13:35:44,092 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 13:35:44,092 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 13:35:44,093 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 13:35:44,093 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 13:35:44,093 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 13:35:44,094 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 13:35:44,095 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 13:35:44,095 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 13:35:44,096 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 13:35:44,097 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 13:35:44,097 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 13:35:44,097 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 13:35:44,097 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 13:35:44,098 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 13:35:44,098 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 13:35:44,099 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 13:35:44,099 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_aeb3a29f-b1a7-49b0-88bd-5d163fc821dd/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 13:35:44,106 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 13:35:44,106 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 13:35:44,107 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 13:35:44,107 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 13:35:44,107 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 13:35:44,108 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 13:35:44,108 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 13:35:44,108 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 13:35:44,108 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 13:35:44,108 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 13:35:44,108 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 13:35:44,109 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 13:35:44,109 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 13:35:44,109 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 13:35:44,109 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 13:35:44,109 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 13:35:44,109 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 13:35:44,109 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 13:35:44,110 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 13:35:44,110 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 13:35:44,110 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 13:35:44,110 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 13:35:44,110 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 13:35:44,110 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 13:35:44,111 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 13:35:44,111 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 13:35:44,111 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 13:35:44,111 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 13:35:44,111 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 13:35:44,111 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 13:35:44,111 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_aeb3a29f-b1a7-49b0-88bd-5d163fc821dd/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 -> d3b2c25dcf3994b536a04bc5bf3e1c9a29f5c50b [2018-11-28 13:35:44,133 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 13:35:44,142 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 13:35:44,144 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 13:35:44,146 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 13:35:44,146 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 13:35:44,146 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_aeb3a29f-b1a7-49b0-88bd-5d163fc821dd/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product55_true-unreach-call_false-termination.cil.c [2018-11-28 13:35:44,187 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_aeb3a29f-b1a7-49b0-88bd-5d163fc821dd/bin-2019/uautomizer/data/3f1f02f47/f74d1983ac7048d384bbf7974c689af5/FLAG280499efb [2018-11-28 13:35:44,609 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 13:35:44,610 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_aeb3a29f-b1a7-49b0-88bd-5d163fc821dd/sv-benchmarks/c/product-lines/minepump_spec2_product55_true-unreach-call_false-termination.cil.c [2018-11-28 13:35:44,616 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_aeb3a29f-b1a7-49b0-88bd-5d163fc821dd/bin-2019/uautomizer/data/3f1f02f47/f74d1983ac7048d384bbf7974c689af5/FLAG280499efb [2018-11-28 13:35:44,626 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_aeb3a29f-b1a7-49b0-88bd-5d163fc821dd/bin-2019/uautomizer/data/3f1f02f47/f74d1983ac7048d384bbf7974c689af5 [2018-11-28 13:35:44,628 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 13:35:44,629 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 13:35:44,630 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 13:35:44,630 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 13:35:44,632 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 13:35:44,633 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:35:44" (1/1) ... [2018-11-28 13:35:44,635 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5adb3118 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:35:44, skipping insertion in model container [2018-11-28 13:35:44,635 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:35:44" (1/1) ... [2018-11-28 13:35:44,640 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 13:35:44,666 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 13:35:44,856 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:35:44,918 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 13:35:44,975 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:35:44,999 INFO L195 MainTranslator]: Completed translation [2018-11-28 13:35:44,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:35:44 WrapperNode [2018-11-28 13:35:44,999 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 13:35:45,000 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 13:35:45,000 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 13:35:45,000 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 13:35:45,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:35:44" (1/1) ... [2018-11-28 13:35:45,020 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:35:44" (1/1) ... [2018-11-28 13:35:45,028 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 13:35:45,028 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 13:35:45,028 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 13:35:45,028 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 13:35:45,036 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:35:44" (1/1) ... [2018-11-28 13:35:45,036 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:35:44" (1/1) ... [2018-11-28 13:35:45,039 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:35:44" (1/1) ... [2018-11-28 13:35:45,039 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:35:44" (1/1) ... [2018-11-28 13:35:45,047 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:35:44" (1/1) ... [2018-11-28 13:35:45,053 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:35:44" (1/1) ... [2018-11-28 13:35:45,055 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:35:44" (1/1) ... [2018-11-28 13:35:45,058 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 13:35:45,058 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 13:35:45,058 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 13:35:45,058 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 13:35:45,059 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:35:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aeb3a29f-b1a7-49b0-88bd-5d163fc821dd/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 13:35:45,102 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 13:35:45,102 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 13:35:45,102 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 13:35:45,102 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 13:35:45,102 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-28 13:35:45,102 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-28 13:35:45,102 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-28 13:35:45,102 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-28 13:35:45,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 13:35:45,102 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 13:35:45,102 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 13:35:45,103 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 13:35:45,103 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 13:35:45,103 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-28 13:35:45,103 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-28 13:35:45,103 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 13:35:45,103 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 13:35:45,103 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 13:35:45,103 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 13:35:45,103 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-28 13:35:45,103 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-28 13:35:45,103 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-28 13:35:45,103 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-28 13:35:45,103 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-28 13:35:45,103 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-28 13:35:45,103 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-28 13:35:45,103 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-28 13:35:45,104 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-28 13:35:45,104 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-28 13:35:45,104 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 13:35:45,104 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 13:35:45,104 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 13:35:45,104 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 13:35:45,104 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 13:35:45,104 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 13:35:45,104 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 13:35:45,104 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 13:35:45,104 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 13:35:45,104 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 13:35:45,104 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 13:35:45,104 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 13:35:45,104 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 13:35:45,105 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 13:35:45,105 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-28 13:35:45,105 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-28 13:35:45,105 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 13:35:45,105 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 13:35:45,105 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 13:35:45,105 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 13:35:45,105 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 13:35:45,105 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 13:35:45,105 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-28 13:35:45,105 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-28 13:35:45,105 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 13:35:45,105 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 13:35:45,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 13:35:45,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 13:35:45,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 13:35:45,106 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 13:35:45,106 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 13:35:45,106 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 13:35:45,106 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 13:35:45,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 13:35:45,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 13:35:45,569 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 13:35:45,570 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 13:35:45,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:35:45 BoogieIcfgContainer [2018-11-28 13:35:45,570 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 13:35:45,571 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 13:35:45,571 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 13:35:45,574 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 13:35:45,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 01:35:44" (1/3) ... [2018-11-28 13:35:45,575 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c00d368 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:35:45, skipping insertion in model container [2018-11-28 13:35:45,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:35:44" (2/3) ... [2018-11-28 13:35:45,575 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c00d368 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:35:45, skipping insertion in model container [2018-11-28 13:35:45,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:35:45" (3/3) ... [2018-11-28 13:35:45,577 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product55_true-unreach-call_false-termination.cil.c [2018-11-28 13:35:45,583 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 13:35:45,591 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 13:35:45,600 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 13:35:45,620 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 13:35:45,621 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 13:35:45,621 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 13:35:45,621 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 13:35:45,621 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 13:35:45,621 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 13:35:45,621 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 13:35:45,621 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 13:35:45,621 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 13:35:45,637 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states. [2018-11-28 13:35:45,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-28 13:35:45,643 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:35:45,643 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:35:45,645 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:35:45,648 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:35:45,649 INFO L82 PathProgramCache]: Analyzing trace with hash 2089715448, now seen corresponding path program 1 times [2018-11-28 13:35:45,650 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:35:45,650 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:35:45,680 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:35:45,680 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:35:45,680 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:35:45,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:35:45,829 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 13:35:45,831 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:35:45,831 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 13:35:45,834 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 13:35:45,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 13:35:45,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 13:35:45,843 INFO L87 Difference]: Start difference. First operand 167 states. Second operand 2 states. [2018-11-28 13:35:45,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:35:45,874 INFO L93 Difference]: Finished difference Result 304 states and 381 transitions. [2018-11-28 13:35:45,874 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 13:35:45,875 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-28 13:35:45,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:35:45,884 INFO L225 Difference]: With dead ends: 304 [2018-11-28 13:35:45,884 INFO L226 Difference]: Without dead ends: 154 [2018-11-28 13:35:45,887 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 13:35:45,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2018-11-28 13:35:45,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2018-11-28 13:35:45,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2018-11-28 13:35:45,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 184 transitions. [2018-11-28 13:35:45,926 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 184 transitions. Word has length 51 [2018-11-28 13:35:45,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:35:45,926 INFO L480 AbstractCegarLoop]: Abstraction has 154 states and 184 transitions. [2018-11-28 13:35:45,927 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 13:35:45,927 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 184 transitions. [2018-11-28 13:35:45,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-28 13:35:45,929 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:35:45,929 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 13:35:45,930 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:35:45,930 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:35:45,930 INFO L82 PathProgramCache]: Analyzing trace with hash 376815419, now seen corresponding path program 1 times [2018-11-28 13:35:45,930 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:35:45,930 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:35:45,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:35:45,931 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:35:45,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:35:45,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:35:46,017 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 13:35:46,018 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:35:46,018 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 13:35:46,019 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 13:35:46,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 13:35:46,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 13:35:46,020 INFO L87 Difference]: Start difference. First operand 154 states and 184 transitions. Second operand 3 states. [2018-11-28 13:35:46,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:35:46,040 INFO L93 Difference]: Finished difference Result 247 states and 295 transitions. [2018-11-28 13:35:46,042 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 13:35:46,042 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-28 13:35:46,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:35:46,044 INFO L225 Difference]: With dead ends: 247 [2018-11-28 13:35:46,044 INFO L226 Difference]: Without dead ends: 145 [2018-11-28 13:35:46,046 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 13:35:46,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2018-11-28 13:35:46,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2018-11-28 13:35:46,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2018-11-28 13:35:46,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 172 transitions. [2018-11-28 13:35:46,057 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 172 transitions. Word has length 52 [2018-11-28 13:35:46,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:35:46,058 INFO L480 AbstractCegarLoop]: Abstraction has 145 states and 172 transitions. [2018-11-28 13:35:46,058 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 13:35:46,058 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 172 transitions. [2018-11-28 13:35:46,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-28 13:35:46,059 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:35:46,059 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:35:46,060 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:35:46,060 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:35:46,060 INFO L82 PathProgramCache]: Analyzing trace with hash 2083474303, now seen corresponding path program 1 times [2018-11-28 13:35:46,060 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:35:46,060 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:35:46,061 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:35:46,061 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:35:46,061 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:35:46,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:35:46,160 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 13:35:46,161 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:35:46,161 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 13:35:46,161 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 13:35:46,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 13:35:46,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 13:35:46,162 INFO L87 Difference]: Start difference. First operand 145 states and 172 transitions. Second operand 7 states. [2018-11-28 13:35:46,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:35:46,476 INFO L93 Difference]: Finished difference Result 430 states and 528 transitions. [2018-11-28 13:35:46,476 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 13:35:46,476 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2018-11-28 13:35:46,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:35:46,479 INFO L225 Difference]: With dead ends: 430 [2018-11-28 13:35:46,480 INFO L226 Difference]: Without dead ends: 313 [2018-11-28 13:35:46,481 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-28 13:35:46,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2018-11-28 13:35:46,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 305. [2018-11-28 13:35:46,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 305 states. [2018-11-28 13:35:46,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 374 transitions. [2018-11-28 13:35:46,513 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 374 transitions. Word has length 56 [2018-11-28 13:35:46,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:35:46,513 INFO L480 AbstractCegarLoop]: Abstraction has 305 states and 374 transitions. [2018-11-28 13:35:46,513 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 13:35:46,514 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 374 transitions. [2018-11-28 13:35:46,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-28 13:35:46,516 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:35:46,516 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] [2018-11-28 13:35:46,516 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:35:46,516 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:35:46,516 INFO L82 PathProgramCache]: Analyzing trace with hash -139237271, now seen corresponding path program 1 times [2018-11-28 13:35:46,517 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:35:46,517 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:35:46,517 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:35:46,517 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:35:46,518 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:35:46,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:35:46,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:35:46,601 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:35:46,601 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 13:35:46,602 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 13:35:46,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 13:35:46,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 13:35:46,602 INFO L87 Difference]: Start difference. First operand 305 states and 374 transitions. Second operand 6 states. [2018-11-28 13:35:46,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:35:46,787 INFO L93 Difference]: Finished difference Result 841 states and 1056 transitions. [2018-11-28 13:35:46,787 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 13:35:46,787 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2018-11-28 13:35:46,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:35:46,791 INFO L225 Difference]: With dead ends: 841 [2018-11-28 13:35:46,791 INFO L226 Difference]: Without dead ends: 564 [2018-11-28 13:35:46,793 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-28 13:35:46,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2018-11-28 13:35:46,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 558. [2018-11-28 13:35:46,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 558 states. [2018-11-28 13:35:46,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 688 transitions. [2018-11-28 13:35:46,833 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 688 transitions. Word has length 62 [2018-11-28 13:35:46,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:35:46,834 INFO L480 AbstractCegarLoop]: Abstraction has 558 states and 688 transitions. [2018-11-28 13:35:46,834 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 13:35:46,834 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 688 transitions. [2018-11-28 13:35:46,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-28 13:35:46,837 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:35:46,837 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] [2018-11-28 13:35:46,837 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:35:46,837 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:35:46,838 INFO L82 PathProgramCache]: Analyzing trace with hash 1489152805, now seen corresponding path program 1 times [2018-11-28 13:35:46,838 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:35:46,838 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:35:46,839 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:35:46,839 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:35:46,839 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:35:46,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:35:46,948 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 13:35:46,948 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:35:46,948 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 13:35:46,948 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 13:35:46,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 13:35:46,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 13:35:46,949 INFO L87 Difference]: Start difference. First operand 558 states and 688 transitions. Second operand 7 states. [2018-11-28 13:35:47,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:35:47,342 INFO L93 Difference]: Finished difference Result 1437 states and 1898 transitions. [2018-11-28 13:35:47,342 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-28 13:35:47,342 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2018-11-28 13:35:47,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:35:47,347 INFO L225 Difference]: With dead ends: 1437 [2018-11-28 13:35:47,347 INFO L226 Difference]: Without dead ends: 907 [2018-11-28 13:35:47,349 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-28 13:35:47,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 907 states. [2018-11-28 13:35:47,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 907 to 811. [2018-11-28 13:35:47,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 811 states. [2018-11-28 13:35:47,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 991 transitions. [2018-11-28 13:35:47,391 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 991 transitions. Word has length 66 [2018-11-28 13:35:47,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:35:47,392 INFO L480 AbstractCegarLoop]: Abstraction has 811 states and 991 transitions. [2018-11-28 13:35:47,392 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 13:35:47,392 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 991 transitions. [2018-11-28 13:35:47,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-28 13:35:47,394 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:35:47,395 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:35:47,395 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:35:47,395 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:35:47,396 INFO L82 PathProgramCache]: Analyzing trace with hash 344345668, now seen corresponding path program 1 times [2018-11-28 13:35:47,396 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:35:47,396 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:35:47,396 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:35:47,397 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:35:47,397 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:35:47,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:35:47,464 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 13:35:47,464 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:35:47,464 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 13:35:47,465 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 13:35:47,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 13:35:47,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 13:35:47,465 INFO L87 Difference]: Start difference. First operand 811 states and 991 transitions. Second operand 6 states. [2018-11-28 13:35:47,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:35:47,500 INFO L93 Difference]: Finished difference Result 1614 states and 2012 transitions. [2018-11-28 13:35:47,501 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 13:35:47,501 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 93 [2018-11-28 13:35:47,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:35:47,504 INFO L225 Difference]: With dead ends: 1614 [2018-11-28 13:35:47,504 INFO L226 Difference]: Without dead ends: 831 [2018-11-28 13:35:47,505 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-28 13:35:47,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 831 states. [2018-11-28 13:35:47,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 831 to 831. [2018-11-28 13:35:47,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 831 states. [2018-11-28 13:35:47,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 831 states and 1011 transitions. [2018-11-28 13:35:47,532 INFO L78 Accepts]: Start accepts. Automaton has 831 states and 1011 transitions. Word has length 93 [2018-11-28 13:35:47,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:35:47,533 INFO L480 AbstractCegarLoop]: Abstraction has 831 states and 1011 transitions. [2018-11-28 13:35:47,533 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 13:35:47,533 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 1011 transitions. [2018-11-28 13:35:47,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-28 13:35:47,534 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:35:47,534 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:35:47,535 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:35:47,535 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:35:47,535 INFO L82 PathProgramCache]: Analyzing trace with hash 271959110, now seen corresponding path program 1 times [2018-11-28 13:35:47,535 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:35:47,535 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:35:47,537 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:35:47,537 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:35:47,537 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:35:47,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:35:47,610 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 13:35:47,611 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:35:47,611 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-28 13:35:47,611 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 13:35:47,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 13:35:47,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-28 13:35:47,611 INFO L87 Difference]: Start difference. First operand 831 states and 1011 transitions. Second operand 8 states. [2018-11-28 13:35:47,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:35:47,646 INFO L93 Difference]: Finished difference Result 1662 states and 2098 transitions. [2018-11-28 13:35:47,647 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 13:35:47,647 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 93 [2018-11-28 13:35:47,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:35:47,650 INFO L225 Difference]: With dead ends: 1662 [2018-11-28 13:35:47,650 INFO L226 Difference]: Without dead ends: 859 [2018-11-28 13:35:47,652 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-28 13:35:47,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 859 states. [2018-11-28 13:35:47,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 859 to 847. [2018-11-28 13:35:47,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 847 states. [2018-11-28 13:35:47,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 847 states to 847 states and 1027 transitions. [2018-11-28 13:35:47,679 INFO L78 Accepts]: Start accepts. Automaton has 847 states and 1027 transitions. Word has length 93 [2018-11-28 13:35:47,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:35:47,680 INFO L480 AbstractCegarLoop]: Abstraction has 847 states and 1027 transitions. [2018-11-28 13:35:47,680 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 13:35:47,680 INFO L276 IsEmpty]: Start isEmpty. Operand 847 states and 1027 transitions. [2018-11-28 13:35:47,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-28 13:35:47,681 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:35:47,682 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:35:47,682 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:35:47,682 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:35:47,682 INFO L82 PathProgramCache]: Analyzing trace with hash 601724871, now seen corresponding path program 1 times [2018-11-28 13:35:47,682 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:35:47,682 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:35:47,683 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:35:47,683 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:35:47,683 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:35:47,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:35:47,771 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 13:35:47,771 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:35:47,771 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 13:35:47,772 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 13:35:47,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 13:35:47,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 13:35:47,772 INFO L87 Difference]: Start difference. First operand 847 states and 1027 transitions. Second operand 4 states. [2018-11-28 13:35:47,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:35:47,982 INFO L93 Difference]: Finished difference Result 2733 states and 3478 transitions. [2018-11-28 13:35:47,982 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 13:35:47,983 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 93 [2018-11-28 13:35:47,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:35:47,991 INFO L225 Difference]: With dead ends: 2733 [2018-11-28 13:35:47,991 INFO L226 Difference]: Without dead ends: 1914 [2018-11-28 13:35:47,994 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 13:35:47,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1914 states. [2018-11-28 13:35:48,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1914 to 1883. [2018-11-28 13:35:48,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1883 states. [2018-11-28 13:35:48,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1883 states to 1883 states and 2343 transitions. [2018-11-28 13:35:48,098 INFO L78 Accepts]: Start accepts. Automaton has 1883 states and 2343 transitions. Word has length 93 [2018-11-28 13:35:48,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:35:48,099 INFO L480 AbstractCegarLoop]: Abstraction has 1883 states and 2343 transitions. [2018-11-28 13:35:48,099 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 13:35:48,099 INFO L276 IsEmpty]: Start isEmpty. Operand 1883 states and 2343 transitions. [2018-11-28 13:35:48,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-28 13:35:48,101 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:35:48,102 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:35:48,102 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:35:48,102 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:35:48,102 INFO L82 PathProgramCache]: Analyzing trace with hash 1855468717, now seen corresponding path program 1 times [2018-11-28 13:35:48,102 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:35:48,102 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:35:48,103 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:35:48,103 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:35:48,103 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:35:48,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:35:48,146 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 13:35:48,146 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:35:48,146 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 13:35:48,147 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 13:35:48,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 13:35:48,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 13:35:48,147 INFO L87 Difference]: Start difference. First operand 1883 states and 2343 transitions. Second operand 3 states. [2018-11-28 13:35:48,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:35:48,272 INFO L93 Difference]: Finished difference Result 3058 states and 3917 transitions. [2018-11-28 13:35:48,273 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 13:35:48,273 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 97 [2018-11-28 13:35:48,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:35:48,286 INFO L225 Difference]: With dead ends: 3058 [2018-11-28 13:35:48,287 INFO L226 Difference]: Without dead ends: 3055 [2018-11-28 13:35:48,288 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 13:35:48,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3055 states. [2018-11-28 13:35:48,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3055 to 2895. [2018-11-28 13:35:48,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2895 states. [2018-11-28 13:35:48,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2895 states to 2895 states and 3721 transitions. [2018-11-28 13:35:48,450 INFO L78 Accepts]: Start accepts. Automaton has 2895 states and 3721 transitions. Word has length 97 [2018-11-28 13:35:48,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:35:48,451 INFO L480 AbstractCegarLoop]: Abstraction has 2895 states and 3721 transitions. [2018-11-28 13:35:48,451 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 13:35:48,451 INFO L276 IsEmpty]: Start isEmpty. Operand 2895 states and 3721 transitions. [2018-11-28 13:35:48,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-28 13:35:48,460 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:35:48,460 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, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:35:48,460 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:35:48,460 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:35:48,460 INFO L82 PathProgramCache]: Analyzing trace with hash 783475155, now seen corresponding path program 1 times [2018-11-28 13:35:48,460 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:35:48,460 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:35:48,461 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:35:48,461 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:35:48,461 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:35:48,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:35:48,566 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 21 proven. 8 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-28 13:35:48,566 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 13:35:48,567 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aeb3a29f-b1a7-49b0-88bd-5d163fc821dd/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 13:35:48,576 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:35:48,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:35:48,724 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:35:48,826 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:35:48,851 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 13:35:48,852 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2018-11-28 13:35:48,852 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 13:35:48,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 13:35:48,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-11-28 13:35:48,853 INFO L87 Difference]: Start difference. First operand 2895 states and 3721 transitions. Second operand 8 states. [2018-11-28 13:35:49,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:35:49,162 INFO L93 Difference]: Finished difference Result 5250 states and 6838 transitions. [2018-11-28 13:35:49,162 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 13:35:49,163 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 160 [2018-11-28 13:35:49,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:35:49,175 INFO L225 Difference]: With dead ends: 5250 [2018-11-28 13:35:49,175 INFO L226 Difference]: Without dead ends: 2719 [2018-11-28 13:35:49,182 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-11-28 13:35:49,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2719 states. [2018-11-28 13:35:49,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2719 to 1976. [2018-11-28 13:35:49,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1976 states. [2018-11-28 13:35:49,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1976 states to 1976 states and 2284 transitions. [2018-11-28 13:35:49,306 INFO L78 Accepts]: Start accepts. Automaton has 1976 states and 2284 transitions. Word has length 160 [2018-11-28 13:35:49,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:35:49,306 INFO L480 AbstractCegarLoop]: Abstraction has 1976 states and 2284 transitions. [2018-11-28 13:35:49,306 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 13:35:49,306 INFO L276 IsEmpty]: Start isEmpty. Operand 1976 states and 2284 transitions. [2018-11-28 13:35:49,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-28 13:35:49,312 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:35:49,312 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, 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] [2018-11-28 13:35:49,312 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:35:49,312 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:35:49,312 INFO L82 PathProgramCache]: Analyzing trace with hash 1445130694, now seen corresponding path program 1 times [2018-11-28 13:35:49,312 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:35:49,312 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:35:49,313 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:35:49,313 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:35:49,313 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:35:49,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:35:49,367 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-28 13:35:49,367 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:35:49,368 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 13:35:49,368 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 13:35:49,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 13:35:49,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 13:35:49,368 INFO L87 Difference]: Start difference. First operand 1976 states and 2284 transitions. Second operand 3 states. [2018-11-28 13:35:49,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:35:49,431 INFO L93 Difference]: Finished difference Result 2172 states and 2519 transitions. [2018-11-28 13:35:49,431 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 13:35:49,431 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 170 [2018-11-28 13:35:49,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:35:49,435 INFO L225 Difference]: With dead ends: 2172 [2018-11-28 13:35:49,435 INFO L226 Difference]: Without dead ends: 869 [2018-11-28 13:35:49,437 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 13:35:49,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 869 states. [2018-11-28 13:35:49,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 869 to 816. [2018-11-28 13:35:49,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 816 states. [2018-11-28 13:35:49,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 816 states and 913 transitions. [2018-11-28 13:35:49,480 INFO L78 Accepts]: Start accepts. Automaton has 816 states and 913 transitions. Word has length 170 [2018-11-28 13:35:49,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:35:49,480 INFO L480 AbstractCegarLoop]: Abstraction has 816 states and 913 transitions. [2018-11-28 13:35:49,480 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 13:35:49,481 INFO L276 IsEmpty]: Start isEmpty. Operand 816 states and 913 transitions. [2018-11-28 13:35:49,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-11-28 13:35:49,483 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:35:49,483 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:35:49,483 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:35:49,484 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:35:49,484 INFO L82 PathProgramCache]: Analyzing trace with hash 1276632465, now seen corresponding path program 1 times [2018-11-28 13:35:49,484 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:35:49,484 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:35:49,484 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:35:49,485 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:35:49,485 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:35:49,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:35:49,624 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-28 13:35:49,624 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 13:35:49,624 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aeb3a29f-b1a7-49b0-88bd-5d163fc821dd/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 13:35:49,633 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:35:49,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:35:49,744 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:35:49,874 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-28 13:35:49,890 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 13:35:49,890 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-11-28 13:35:49,891 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-28 13:35:49,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-28 13:35:49,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-11-28 13:35:49,891 INFO L87 Difference]: Start difference. First operand 816 states and 913 transitions. Second operand 19 states. [2018-11-28 13:35:50,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:35:50,411 INFO L93 Difference]: Finished difference Result 1428 states and 1608 transitions. [2018-11-28 13:35:50,411 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-28 13:35:50,411 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 173 [2018-11-28 13:35:50,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:35:50,412 INFO L225 Difference]: With dead ends: 1428 [2018-11-28 13:35:50,412 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 13:35:50,414 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 170 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 13:35:50,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 13:35:50,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 13:35:50,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 13:35:50,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 13:35:50,415 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 173 [2018-11-28 13:35:50,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:35:50,415 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 13:35:50,415 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-28 13:35:50,415 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 13:35:50,415 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 13:35:50,418 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 13:35:50,465 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:35:50,553 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:35:50,555 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:35:50,556 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:35:50,557 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:35:50,557 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:35:50,559 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:35:50,561 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:35:50,705 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:35:50,706 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:35:50,706 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:35:50,710 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:35:50,711 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:35:50,722 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:35:50,736 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:35:50,766 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:35:50,767 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:35:50,772 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:35:50,773 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:35:50,774 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:35:50,775 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:35:50,775 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:35:50,776 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:35:50,777 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:35:50,814 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:35:50,815 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:35:50,816 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:35:50,817 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:35:50,817 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:35:50,818 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:35:50,819 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:35:50,865 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:35:50,870 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:35:50,910 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:35:51,150 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 42 [2018-11-28 13:35:51,822 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 45 [2018-11-28 13:35:52,724 WARN L180 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 46 [2018-11-28 13:35:53,385 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-11-28 13:35:53,385 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-11-28 13:35:53,385 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-11-28 13:35:53,385 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-11-28 13:35:53,385 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-11-28 13:35:53,385 INFO L444 ceAbstractionStarter]: At program point L993(line 993) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 13:35:53,385 INFO L444 ceAbstractionStarter]: At program point L993-1(line 993) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 13:35:53,385 INFO L448 ceAbstractionStarter]: For program point L991(lines 991 998) no Hoare annotation was computed. [2018-11-28 13:35:53,385 INFO L448 ceAbstractionStarter]: For program point L991-1(lines 991 998) no Hoare annotation was computed. [2018-11-28 13:35:53,386 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 981 1003) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 13:35:53,386 INFO L448 ceAbstractionStarter]: For program point L989(line 989) no Hoare annotation was computed. [2018-11-28 13:35:53,386 INFO L444 ceAbstractionStarter]: At program point L988(line 988) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 13:35:53,386 INFO L444 ceAbstractionStarter]: At program point L987(line 987) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 13:35:53,386 INFO L444 ceAbstractionStarter]: At program point L987-1(line 987) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 13:35:53,386 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 981 1003) no Hoare annotation was computed. [2018-11-28 13:35:53,386 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 981 1003) no Hoare annotation was computed. [2018-11-28 13:35:53,386 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 486 500) no Hoare annotation was computed. [2018-11-28 13:35:53,386 INFO L444 ceAbstractionStarter]: At program point L492(line 492) the Hoare annotation is: (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~methAndRunningLastTime~0 0))) (or (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 1 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)))) [2018-11-28 13:35:53,386 INFO L448 ceAbstractionStarter]: For program point L490(lines 490 496) no Hoare annotation was computed. [2018-11-28 13:35:53,386 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 486 500) the Hoare annotation is: (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~methAndRunningLastTime~0 0)))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= |old(~systemActive~0)| 0)) .cse0 (= ~systemActive~0 0)) (or .cse0 .cse1) (or (and (= ~systemActive~0 1) .cse1) (not (= 1 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))))) [2018-11-28 13:35:53,386 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 486 500) no Hoare annotation was computed. [2018-11-28 13:35:53,386 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 403 411) no Hoare annotation was computed. [2018-11-28 13:35:53,386 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 403 411) the Hoare annotation is: true [2018-11-28 13:35:53,387 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 403 411) no Hoare annotation was computed. [2018-11-28 13:35:53,387 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 480) no Hoare annotation was computed. [2018-11-28 13:35:53,387 INFO L451 ceAbstractionStarter]: At program point L474(line 474) the Hoare annotation is: true [2018-11-28 13:35:53,387 INFO L448 ceAbstractionStarter]: For program point L476-2(lines 476 480) no Hoare annotation was computed. [2018-11-28 13:35:53,387 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 467 485) the Hoare annotation is: true [2018-11-28 13:35:53,387 INFO L448 ceAbstractionStarter]: For program point L474-1(line 474) no Hoare annotation was computed. [2018-11-28 13:35:53,387 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 467 485) no Hoare annotation was computed. [2018-11-28 13:35:53,387 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 467 485) no Hoare annotation was computed. [2018-11-28 13:35:53,387 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-11-28 13:35:53,387 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-11-28 13:35:53,387 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 970 980) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 13:35:53,387 INFO L444 ceAbstractionStarter]: At program point L975(line 975) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 13:35:53,387 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 970 980) no Hoare annotation was computed. [2018-11-28 13:35:53,387 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 970 980) no Hoare annotation was computed. [2018-11-28 13:35:53,387 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 392 402) the Hoare annotation is: true [2018-11-28 13:35:53,387 INFO L451 ceAbstractionStarter]: At program point L397(line 397) the Hoare annotation is: true [2018-11-28 13:35:53,387 INFO L448 ceAbstractionStarter]: For program point L397-1(line 397) no Hoare annotation was computed. [2018-11-28 13:35:53,387 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 392 402) no Hoare annotation was computed. [2018-11-28 13:35:53,387 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 392 402) no Hoare annotation was computed. [2018-11-28 13:35:53,387 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 384 391) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-28 13:35:53,387 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 384 391) no Hoare annotation was computed. [2018-11-28 13:35:53,387 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 384 391) no Hoare annotation was computed. [2018-11-28 13:35:53,387 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 351 375) no Hoare annotation was computed. [2018-11-28 13:35:53,388 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 351 375) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (or (not (= 0 |old(~pumpRunning~0)|)) .cse2 (not (= ~methAndRunningLastTime~0 0))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse3 .cse5) (or (or .cse1 .cse2) .cse5 .cse3) (or .cse0 .cse3 .cse4)))) [2018-11-28 13:35:53,388 INFO L444 ceAbstractionStarter]: At program point L370(line 370) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (or (not (= 0 |old(~pumpRunning~0)|)) .cse2 (not (= ~methAndRunningLastTime~0 0)))) (.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5) (or .cse0 .cse4 .cse3) (or (or .cse1 .cse2) .cse5)))) [2018-11-28 13:35:53,388 INFO L448 ceAbstractionStarter]: For program point L370-1(lines 351 375) no Hoare annotation was computed. [2018-11-28 13:35:53,388 INFO L444 ceAbstractionStarter]: At program point L365(line 365) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1)))) (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse3 (or (not (= 0 |old(~pumpRunning~0)|)) .cse1 (not (= ~methAndRunningLastTime~0 0))))) (and (or (or .cse0 .cse1) .cse2 (and (= processEnvironment_~tmp~3 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or .cse3 .cse2) (or .cse4 .cse0 .cse1) (or .cse4 .cse3)))) [2018-11-28 13:35:53,388 INFO L444 ceAbstractionStarter]: At program point L361(line 361) the Hoare annotation is: (let ((.cse4 (not (= ~systemActive~0 1)))) (let ((.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse4 (not (= ~methAndRunningLastTime~0 0)))) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1) (or .cse2 (and (= processEnvironment_~tmp~3 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse3 .cse4) (or .cse2 .cse0) (or (or .cse3 .cse4) .cse1)))) [2018-11-28 13:35:53,388 INFO L448 ceAbstractionStarter]: For program point L359(lines 359 367) no Hoare annotation was computed. [2018-11-28 13:35:53,388 INFO L444 ceAbstractionStarter]: At program point L357(line 357) the Hoare annotation is: (let ((.cse4 (not (= ~systemActive~0 1)))) (let ((.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse4 (not (= ~methAndRunningLastTime~0 0)))) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1) (or .cse2 .cse3 .cse4 .cse5) (or .cse2 .cse0) (or (or .cse3 .cse4) .cse1 .cse5)))) [2018-11-28 13:35:53,388 INFO L448 ceAbstractionStarter]: For program point L357-1(line 357) no Hoare annotation was computed. [2018-11-28 13:35:53,388 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 372) no Hoare annotation was computed. [2018-11-28 13:35:53,388 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 175) no Hoare annotation was computed. [2018-11-28 13:35:53,388 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 165 178) no Hoare annotation was computed. [2018-11-28 13:35:53,388 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 165 178) the Hoare annotation is: true [2018-11-28 13:35:53,388 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 165 178) no Hoare annotation was computed. [2018-11-28 13:35:53,388 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 291 297) no Hoare annotation was computed. [2018-11-28 13:35:53,388 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 291 297) the Hoare annotation is: true [2018-11-28 13:35:53,389 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 192 257) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 13:35:53,389 INFO L444 ceAbstractionStarter]: At program point L250(lines 201 251) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 13:35:53,389 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 192 257) no Hoare annotation was computed. [2018-11-28 13:35:53,389 INFO L444 ceAbstractionStarter]: At program point L240(line 240) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) .cse0 (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 1) (= ~systemActive~0 1) .cse0))) [2018-11-28 13:35:53,389 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 244) no Hoare annotation was computed. [2018-11-28 13:35:53,389 INFO L444 ceAbstractionStarter]: At program point L238-1(lines 232 245) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse5 (= 0 ~methAndRunningLastTime~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3 .cse5) (and .cse4 .cse6 .cse2 .cse3 .cse5) (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 0) .cse4 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse6 .cse2 .cse3))) [2018-11-28 13:35:53,389 INFO L448 ceAbstractionStarter]: For program point L203(lines 202 249) no Hoare annotation was computed. [2018-11-28 13:35:53,389 INFO L448 ceAbstractionStarter]: For program point L232(lines 232 245) no Hoare annotation was computed. [2018-11-28 13:35:53,389 INFO L444 ceAbstractionStarter]: At program point L224(line 224) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 ~methAndRunningLastTime~0)) (.cse6 (= ~pumpRunning~0 1)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse4 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (= ~systemActive~0 0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse0 .cse4 .cse1 .cse2) (and .cse0 .cse5 .cse4 .cse1 .cse2) (and .cse3 .cse6 .cse4 .cse2 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse6 .cse5 .cse4 .cse1))) [2018-11-28 13:35:53,389 INFO L448 ceAbstractionStarter]: For program point L222(lines 222 228) no Hoare annotation was computed. [2018-11-28 13:35:53,389 INFO L448 ceAbstractionStarter]: For program point L222-1(lines 222 228) no Hoare annotation was computed. [2018-11-28 13:35:53,389 INFO L444 ceAbstractionStarter]: At program point L247(lines 202 249) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 ~methAndRunningLastTime~0)) (.cse6 (= ~pumpRunning~0 1)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse4 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (= ~systemActive~0 0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse0 .cse4 .cse1 .cse2) (and .cse0 .cse5 .cse4 .cse1 .cse2) (and .cse3 .cse6 .cse4 .cse2 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse6 .cse5 .cse4 .cse1))) [2018-11-28 13:35:53,389 INFO L444 ceAbstractionStarter]: At program point L214(line 214) the Hoare annotation is: (let ((.cse3 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse2 (= 0 ~methAndRunningLastTime~0)) (.cse4 (= ~pumpRunning~0 1)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse5 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (= ~systemActive~0 0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse4 .cse5 .cse1 .cse2) (and .cse3 .cse0 .cse5 .cse1 .cse2) (and .cse0 .cse6 .cse5 .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse4 .cse6 .cse5 .cse1))) [2018-11-28 13:35:53,389 INFO L448 ceAbstractionStarter]: For program point L212(lines 212 218) no Hoare annotation was computed. [2018-11-28 13:35:53,390 INFO L448 ceAbstractionStarter]: For program point L212-1(lines 212 218) no Hoare annotation was computed. [2018-11-28 13:35:53,390 INFO L448 ceAbstractionStarter]: For program point L204(lines 204 208) no Hoare annotation was computed. [2018-11-28 13:35:53,390 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 192 257) no Hoare annotation was computed. [2018-11-28 13:35:53,390 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 179 187) no Hoare annotation was computed. [2018-11-28 13:35:53,390 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 179 187) the Hoare annotation is: true [2018-11-28 13:35:53,390 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 179 187) no Hoare annotation was computed. [2018-11-28 13:35:53,390 INFO L444 ceAbstractionStarter]: At program point L893(line 893) the Hoare annotation is: (let ((.cse5 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= ~systemActive~0 1)))) (let ((.cse0 (or .cse5 .cse4)) (.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1) (or .cse2 .cse0) (or .cse2 (= ~waterLevel~0 1) .cse3 .cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (or (or .cse3 .cse4) .cse1) (or .cse5 (not (= ~systemActive~0 0)))))) [2018-11-28 13:35:53,390 INFO L448 ceAbstractionStarter]: For program point L891(lines 891 897) no Hoare annotation was computed. [2018-11-28 13:35:53,390 INFO L448 ceAbstractionStarter]: For program point L890(lines 890 900) no Hoare annotation was computed. [2018-11-28 13:35:53,390 INFO L444 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (let ((.cse4 (= ~waterLevel~0 1))) (let ((.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= 0 ~methAndRunningLastTime~0)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse8 (not (= ~systemActive~0 0))) (.cse9 (not .cse4)) (.cse7 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (or .cse0 .cse1) .cse2) (or .cse3 .cse4 .cse5 .cse6 .cse1 .cse7) (or (or .cse0 .cse2) .cse8) (or .cse3 .cse0 .cse1 .cse9 .cse7 .cse5) (or (or .cse6 .cse1) .cse2) (or .cse5 .cse0 .cse8 .cse9 .cse7)))) [2018-11-28 13:35:53,390 INFO L448 ceAbstractionStarter]: For program point L888-1(line 888) no Hoare annotation was computed. [2018-11-28 13:35:53,390 INFO L448 ceAbstractionStarter]: For program point L886(lines 886 903) no Hoare annotation was computed. [2018-11-28 13:35:53,390 INFO L448 ceAbstractionStarter]: For program point L886-1(lines 878 906) no Hoare annotation was computed. [2018-11-28 13:35:53,390 INFO L444 ceAbstractionStarter]: At program point L884(line 884) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 1))) (let ((.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse3 (not .cse6)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or .cse5 .cse6 .cse1 (not (= 1 ~pumpRunning~0)) .cse2 .cse4) (or .cse5 .cse0 .cse2 .cse3 .cse4 .cse1) (or .cse1 .cse0 (not (= ~systemActive~0 0)) .cse3 .cse4)))) [2018-11-28 13:35:53,390 INFO L448 ceAbstractionStarter]: For program point L884-1(line 884) no Hoare annotation was computed. [2018-11-28 13:35:53,390 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 878 906) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 1))) (let ((.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse3 (not .cse6)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or .cse5 .cse6 .cse1 (not (= 1 ~pumpRunning~0)) .cse2 .cse4) (or .cse5 .cse0 .cse2 .cse3 .cse4 .cse1) (or .cse1 .cse0 (not (= ~systemActive~0 0)) .cse3 .cse4)))) [2018-11-28 13:35:53,390 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 878 906) no Hoare annotation was computed. [2018-11-28 13:35:53,390 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 870 877) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methAndRunningLastTime~0) (not (= ~systemActive~0 1)) (not (= ~waterLevel~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~methaneLevelCritical~0 0))) [2018-11-28 13:35:53,391 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 870 877) no Hoare annotation was computed. [2018-11-28 13:35:53,391 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 870 877) no Hoare annotation was computed. [2018-11-28 13:35:53,391 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 13:35:53,391 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-28 13:35:53,391 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 13:35:53,391 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 376 383) no Hoare annotation was computed. [2018-11-28 13:35:53,391 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 376 383) no Hoare annotation was computed. [2018-11-28 13:35:53,391 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 376 383) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse3 .cse2 .cse4 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 13:35:53,391 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 448 466) no Hoare annotation was computed. [2018-11-28 13:35:53,391 INFO L448 ceAbstractionStarter]: For program point L457(lines 457 461) no Hoare annotation was computed. [2018-11-28 13:35:53,391 INFO L451 ceAbstractionStarter]: At program point L455(line 455) the Hoare annotation is: true [2018-11-28 13:35:53,391 INFO L448 ceAbstractionStarter]: For program point L457-2(lines 457 461) no Hoare annotation was computed. [2018-11-28 13:35:53,391 INFO L448 ceAbstractionStarter]: For program point L455-1(line 455) no Hoare annotation was computed. [2018-11-28 13:35:53,391 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 448 466) the Hoare annotation is: true [2018-11-28 13:35:53,391 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 448 466) no Hoare annotation was computed. [2018-11-28 13:35:53,391 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 112 123) the Hoare annotation is: (let ((.cse8 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse7 (not (= ~methAndRunningLastTime~0 0)))) (let ((.cse1 (not (= 1 ~pumpRunning~0))) (.cse0 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse3 (= ~methaneLevelCritical~0 1)) (.cse4 (or .cse8 .cse2 .cse7)) (.cse6 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse5 (= 0 ~methaneLevelCritical~0))) (and (or .cse0 (or .cse1 .cse2) .cse3) (or .cse4 .cse5 .cse6) (or (or .cse1 .cse2 .cse7) .cse6 .cse5) (or .cse0 .cse3 .cse4) (or (or .cse8 .cse7 .cse6) .cse5 (not (= ~systemActive~0 0)))))) [2018-11-28 13:35:53,391 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 112 123) no Hoare annotation was computed. [2018-11-28 13:35:53,391 INFO L448 ceAbstractionStarter]: For program point L116-1(lines 112 123) no Hoare annotation was computed. [2018-11-28 13:35:53,391 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 909 938) no Hoare annotation was computed. [2018-11-28 13:35:53,391 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 909 938) the Hoare annotation is: true [2018-11-28 13:35:53,391 INFO L448 ceAbstractionStarter]: For program point L923(lines 923 927) no Hoare annotation was computed. [2018-11-28 13:35:53,391 INFO L451 ceAbstractionStarter]: At program point L923-1(lines 923 927) the Hoare annotation is: true [2018-11-28 13:35:53,392 INFO L448 ceAbstractionStarter]: For program point L920(line 920) no Hoare annotation was computed. [2018-11-28 13:35:53,392 INFO L451 ceAbstractionStarter]: At program point L919-2(lines 919 933) the Hoare annotation is: true [2018-11-28 13:35:53,392 INFO L451 ceAbstractionStarter]: At program point L915(line 915) the Hoare annotation is: true [2018-11-28 13:35:53,392 INFO L448 ceAbstractionStarter]: For program point L915-1(line 915) no Hoare annotation was computed. [2018-11-28 13:35:53,392 INFO L451 ceAbstractionStarter]: At program point L934(lines 909 938) the Hoare annotation is: true [2018-11-28 13:35:53,392 INFO L448 ceAbstractionStarter]: For program point L930(line 930) no Hoare annotation was computed. [2018-11-28 13:35:53,392 INFO L444 ceAbstractionStarter]: At program point L280(line 280) the Hoare annotation is: (let ((.cse12 (not (= 1 |old(~pumpRunning~0)|))) (.cse11 (= 0 ~methAndRunningLastTime~0)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~systemActive~0 1))) (.cse7 (not (= |old(~methAndRunningLastTime~0)| 0)))) (let ((.cse10 (or .cse3 .cse5 .cse7)) (.cse9 (and .cse11 .cse2)) (.cse1 (or .cse12 .cse5)) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= |old(~waterLevel~0)| 1))) (.cse4 (= 1 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (or .cse0 .cse9 .cse10) (or .cse10 .cse9 .cse8) (or .cse1 .cse2 .cse8) (or (not (= ~systemActive~0 0)) .cse3) (or .cse0 .cse11 (or .cse12 .cse5 .cse7)) (or .cse0 .cse3 .cse5 .cse6 .cse7 .cse4)))) [2018-11-28 13:35:53,392 INFO L444 ceAbstractionStarter]: At program point L278(lines 278 284) the Hoare annotation is: (let ((.cse13 (= 0 ~methAndRunningLastTime~0)) (.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse11 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse12 (not (= ~systemActive~0 1)))) (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (or (not (= 1 |old(~pumpRunning~0)|)) .cse12)) (.cse9 (not (= ~systemActive~0 0))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (or .cse8 .cse12 .cse11)) (.cse6 (and (not (= ~waterLevel~0 1)) (= ~pumpRunning~0 1) .cse13)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse10 (not (= |old(~waterLevel~0)| 1))) (.cse7 (and (= 1 ~waterLevel~0) .cse13))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1) (or .cse2 .cse5 .cse6 .cse3) (or .cse7 .cse8 .cse9 .cse10 .cse11) (or .cse2 .cse9 .cse8) (or .cse4 .cse2 .cse5 .cse6) (or .cse8 .cse7 .cse12 .cse10 .cse11 .cse3) (or .cse4 .cse8 .cse12 .cse10 .cse11 .cse7)))) [2018-11-28 13:35:53,392 INFO L444 ceAbstractionStarter]: At program point L273(line 273) the Hoare annotation is: (let ((.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~systemActive~0 1)))) (let ((.cse1 (or .cse6 .cse7)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (or .cse5 .cse7 .cse8)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3) (or .cse1 .cse2 .cse4) (or .cse3 .cse4) (or (not (= ~systemActive~0 0)) .cse5) (or .cse0 (= 0 ~methAndRunningLastTime~0) (or .cse6 .cse7 .cse8))))) [2018-11-28 13:35:53,392 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 267 290) the Hoare annotation is: (let ((.cse13 (not (= 1 |old(~pumpRunning~0)|))) (.cse12 (= 0 ~methAndRunningLastTime~0)) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (not (= ~systemActive~0 1))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (let ((.cse11 (or .cse1 .cse8 .cse4)) (.cse10 (and .cse12 .cse7)) (.cse6 (or .cse13 .cse8)) (.cse9 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse0 (= 1 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7) (or .cse1 .cse0 .cse8 .cse3 .cse4 .cse9) (or .cse5 .cse10 .cse11) (or .cse11 .cse10 .cse9) (or .cse6 .cse7 .cse9) (or .cse7 .cse2 .cse1) (or .cse5 .cse12 (or .cse13 .cse8 .cse4)) (or .cse5 .cse1 .cse8 .cse3 .cse4 .cse0) (or .cse2 .cse12 (or .cse1 .cse4))))) [2018-11-28 13:35:53,392 INFO L448 ceAbstractionStarter]: For program point L271(lines 270 289) no Hoare annotation was computed. [2018-11-28 13:35:53,392 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 267 290) no Hoare annotation was computed. [2018-11-28 13:35:53,392 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 267 290) no Hoare annotation was computed. [2018-11-28 13:35:53,392 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 124 132) the Hoare annotation is: true [2018-11-28 13:35:53,392 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 124 132) no Hoare annotation was computed. [2018-11-28 13:35:53,392 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 124 132) no Hoare annotation was computed. [2018-11-28 13:35:53,393 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 88 99) the Hoare annotation is: true [2018-11-28 13:35:53,393 INFO L448 ceAbstractionStarter]: For program point L92-1(lines 88 99) no Hoare annotation was computed. [2018-11-28 13:35:53,393 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 88 99) no Hoare annotation was computed. [2018-11-28 13:35:53,393 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 963 969) no Hoare annotation was computed. [2018-11-28 13:35:53,393 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 963 969) the Hoare annotation is: true [2018-11-28 13:35:53,393 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 13:35:53,393 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0)) [2018-11-28 13:35:53,393 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 13:35:53,393 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 13:35:53,393 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 299 323) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3 (not (= ~methAndRunningLastTime~0 0))))) (and (or .cse0 .cse1 .cse2) (or (or (not (= 1 |old(~pumpRunning~0)|)) .cse3) .cse2 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0)))) [2018-11-28 13:35:53,393 INFO L444 ceAbstractionStarter]: At program point L318(line 318) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse2 (not (= ~methAndRunningLastTime~0 0)))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse0) (or (or (not (= 1 |old(~pumpRunning~0)|)) .cse2) .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-11-28 13:35:53,393 INFO L448 ceAbstractionStarter]: For program point L318-1(lines 299 323) no Hoare annotation was computed. [2018-11-28 13:35:53,393 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 299 323) no Hoare annotation was computed. [2018-11-28 13:35:53,393 INFO L444 ceAbstractionStarter]: At program point L313(line 313) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3 (not (= ~methAndRunningLastTime~0 0)))) (.cse1 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse0 .cse2 .cse1) (or (or (not (= 1 |old(~pumpRunning~0)|)) .cse3) .cse2)))) [2018-11-28 13:35:53,393 INFO L444 ceAbstractionStarter]: At program point L309(line 309) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (let ((.cse2 (not (= ~waterLevel~0 1))) (.cse5 (or .cse0 .cse1 .cse3)) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (= ~methaneLevelCritical~0 1)) .cse5 (and .cse2 .cse6)) (or .cse5 .cse6 .cse4) (or (or (not (= 1 |old(~pumpRunning~0)|)) .cse1) .cse4)))) [2018-11-28 13:35:53,393 INFO L448 ceAbstractionStarter]: For program point L307(lines 307 315) no Hoare annotation was computed. [2018-11-28 13:35:53,393 INFO L444 ceAbstractionStarter]: At program point L305(line 305) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3 (not (= ~methAndRunningLastTime~0 0)))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0) (or (or (not (= 1 |old(~pumpRunning~0)|)) .cse3) .cse2)))) [2018-11-28 13:35:53,394 INFO L448 ceAbstractionStarter]: For program point L305-1(line 305) no Hoare annotation was computed. [2018-11-28 13:35:53,394 INFO L448 ceAbstractionStarter]: For program point L303(lines 303 320) no Hoare annotation was computed. [2018-11-28 13:35:53,394 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 100 111) no Hoare annotation was computed. [2018-11-28 13:35:53,394 INFO L448 ceAbstractionStarter]: For program point L104-1(lines 100 111) no Hoare annotation was computed. [2018-11-28 13:35:53,394 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 100 111) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~waterLevel~0)| 1))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse0 (= 1 ~waterLevel~0))) (and (or .cse0 .cse1 (not (= ~systemActive~0 0)) .cse2 .cse3) (or .cse1 .cse0 .cse4 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse4 .cse2 .cse3 .cse0))) [2018-11-28 13:35:53,394 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1009) no Hoare annotation was computed. [2018-11-28 13:35:53,394 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 1005 1012) no Hoare annotation was computed. [2018-11-28 13:35:53,394 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 1005 1012) the Hoare annotation is: true [2018-11-28 13:35:53,394 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 1005 1012) no Hoare annotation was computed. [2018-11-28 13:35:53,394 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 325 349) no Hoare annotation was computed. [2018-11-28 13:35:53,395 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 325 349) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3 (not (= ~methAndRunningLastTime~0 0))))) (and (or .cse0 .cse1 .cse2) (or (or (not (= 1 |old(~pumpRunning~0)|)) .cse3) .cse2 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0)))) [2018-11-28 13:35:53,395 INFO L444 ceAbstractionStarter]: At program point L344(line 344) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3 (not (= ~methAndRunningLastTime~0 0)))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0) (or (or (not (= 1 |old(~pumpRunning~0)|)) .cse3) .cse2)))) [2018-11-28 13:35:53,395 INFO L448 ceAbstractionStarter]: For program point L344-1(lines 325 349) no Hoare annotation was computed. [2018-11-28 13:35:53,395 INFO L444 ceAbstractionStarter]: At program point L339(line 339) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse2 (not (= ~methAndRunningLastTime~0 0)))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse0) (or (or (not (= 1 |old(~pumpRunning~0)|)) .cse2) .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-11-28 13:35:53,395 INFO L444 ceAbstractionStarter]: At program point L335(line 335) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse2 (not (= ~methAndRunningLastTime~0 0)))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse0) (or (or (not (= 1 |old(~pumpRunning~0)|)) .cse2) .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-11-28 13:35:53,395 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 341) no Hoare annotation was computed. [2018-11-28 13:35:53,395 INFO L444 ceAbstractionStarter]: At program point L331(line 331) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse2 (not (= ~methAndRunningLastTime~0 0)))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse0) (or (or (not (= 1 |old(~pumpRunning~0)|)) .cse2) .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-11-28 13:35:53,395 INFO L448 ceAbstractionStarter]: For program point L331-1(line 331) no Hoare annotation was computed. [2018-11-28 13:35:53,395 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 346) no Hoare annotation was computed. [2018-11-28 13:35:53,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 01:35:53 BoogieIcfgContainer [2018-11-28 13:35:53,418 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 13:35:53,418 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 13:35:53,418 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 13:35:53,419 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 13:35:53,419 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:35:45" (3/4) ... [2018-11-28 13:35:53,422 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 13:35:53,428 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 13:35:53,428 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 13:35:53,428 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 13:35:53,428 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-28 13:35:53,428 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 13:35:53,428 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-28 13:35:53,428 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 13:35:53,428 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 13:35:53,429 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-28 13:35:53,429 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 13:35:53,429 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 13:35:53,429 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-28 13:35:53,429 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-28 13:35:53,429 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 13:35:53,429 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-28 13:35:53,429 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-28 13:35:53,429 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-28 13:35:53,429 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 13:35:53,429 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-28 13:35:53,429 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-28 13:35:53,429 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 13:35:53,429 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 13:35:53,429 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 13:35:53,430 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-28 13:35:53,430 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 13:35:53,430 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 13:35:53,430 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 13:35:53,430 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 13:35:53,430 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 13:35:53,430 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2018-11-28 13:35:53,437 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-11-28 13:35:53,437 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-11-28 13:35:53,442 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-28 13:35:53,442 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-28 13:35:53,443 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 13:35:53,443 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 13:35:53,463 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((systemActive == 0 && 0 == pumpRunning) && splverifierCounter == 0) && 0 == methAndRunningLastTime) || !(0 == \old(pumpRunning))) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || ((((0 == pumpRunning && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || ((((0 == methaneLevelCritical && pumpRunning == 1) && systemActive == 1) && 0 == methAndRunningLastTime) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0)) || (((pumpRunning == 1 && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0) [2018-11-28 13:35:53,463 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 13:35:53,497 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_aeb3a29f-b1a7-49b0-88bd-5d163fc821dd/bin-2019/uautomizer/witness.graphml [2018-11-28 13:35:53,498 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 13:35:53,498 INFO L168 Benchmark]: Toolchain (without parser) took 8869.49 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 391.6 MB). Free memory was 950.6 MB in the beginning and 1.0 GB in the end (delta: -92.4 MB). Peak memory consumption was 299.3 MB. Max. memory is 11.5 GB. [2018-11-28 13:35:53,499 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:35:53,499 INFO L168 Benchmark]: CACSL2BoogieTranslator took 369.23 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.8 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -132.5 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. [2018-11-28 13:35:53,499 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.03 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-28 13:35:53,499 INFO L168 Benchmark]: Boogie Preprocessor took 29.96 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:35:53,499 INFO L168 Benchmark]: RCFGBuilder took 512.11 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 47.6 MB). Peak memory consumption was 47.6 MB. Max. memory is 11.5 GB. [2018-11-28 13:35:53,500 INFO L168 Benchmark]: TraceAbstraction took 7847.15 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 297.8 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -13.3 MB). Peak memory consumption was 398.1 MB. Max. memory is 11.5 GB. [2018-11-28 13:35:53,500 INFO L168 Benchmark]: Witness Printer took 79.46 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 450.5 kB). Peak memory consumption was 450.5 kB. Max. memory is 11.5 GB. [2018-11-28 13:35:53,501 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 369.23 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.8 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -132.5 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.03 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.96 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 512.11 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 47.6 MB). Peak memory consumption was 47.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7847.15 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 297.8 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -13.3 MB). Peak memory consumption was 398.1 MB. Max. memory is 11.5 GB. * Witness Printer took 79.46 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 450.5 kB). Peak memory consumption was 450.5 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1009]: 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: 201]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 919]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: (((((((((((systemActive == 0 && 0 == pumpRunning) && splverifierCounter == 0) && 0 == methAndRunningLastTime) || !(0 == \old(pumpRunning))) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || ((((0 == pumpRunning && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || ((((0 == methaneLevelCritical && pumpRunning == 1) && systemActive == 1) && 0 == methAndRunningLastTime) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0)) || (((pumpRunning == 1 && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0) - InvariantResult [Line: 909]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 167 locations, 1 error locations. SAFE Result, 7.7s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 2.3s AutomataDifference, 0.0s DeadEndRemovalTime, 2.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 2431 SDtfs, 1521 SDslu, 6989 SDs, 0 SdLazy, 2082 SolverSat, 256 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 452 GetRequests, 372 SyntacticMatches, 2 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2895occurred in iteration=9, 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: 0.6s AutomataMinimizationTime, 12 MinimizatonAttempts, 1109 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 70 LocationsWithAnnotation, 3883 PreInvPairs, 3975 NumberOfFragments, 3127 HoareAnnotationTreeSize, 3883 FomulaSimplifications, 6792 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 70 FomulaSimplificationsInter, 12121 FormulaSimplificationTreeSizeReductionInter, 2.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1499 NumberOfCodeBlocks, 1499 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1485 ConstructedInterpolants, 0 QuantifiedInterpolants, 291437 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1851 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 257/267 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...