./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product49_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_778720ac-c103-40db-a66b-13f1e3c6538f/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_778720ac-c103-40db-a66b-13f1e3c6538f/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_778720ac-c103-40db-a66b-13f1e3c6538f/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_778720ac-c103-40db-a66b-13f1e3c6538f/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product49_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_778720ac-c103-40db-a66b-13f1e3c6538f/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_778720ac-c103-40db-a66b-13f1e3c6538f/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4b859e272d72137c2ddb07ede97bfa3dea2dc5e9 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 11:36:32,087 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 11:36:32,089 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 11:36:32,096 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 11:36:32,096 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 11:36:32,097 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 11:36:32,098 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 11:36:32,099 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 11:36:32,100 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 11:36:32,101 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 11:36:32,101 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 11:36:32,101 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 11:36:32,102 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 11:36:32,103 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 11:36:32,104 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 11:36:32,104 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 11:36:32,105 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 11:36:32,106 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 11:36:32,108 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 11:36:32,109 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 11:36:32,110 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 11:36:32,110 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 11:36:32,112 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 11:36:32,112 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 11:36:32,112 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 11:36:32,113 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 11:36:32,114 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 11:36:32,114 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 11:36:32,115 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 11:36:32,116 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 11:36:32,116 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 11:36:32,116 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 11:36:32,117 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 11:36:32,117 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 11:36:32,117 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 11:36:32,118 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 11:36:32,118 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_778720ac-c103-40db-a66b-13f1e3c6538f/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 11:36:32,128 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 11:36:32,128 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 11:36:32,129 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 11:36:32,129 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 11:36:32,129 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 11:36:32,130 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 11:36:32,130 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 11:36:32,130 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 11:36:32,130 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 11:36:32,130 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 11:36:32,130 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 11:36:32,131 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 11:36:32,131 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 11:36:32,131 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 11:36:32,131 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 11:36:32,131 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 11:36:32,131 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 11:36:32,131 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 11:36:32,131 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 11:36:32,132 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 11:36:32,132 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 11:36:32,132 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 11:36:32,132 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 11:36:32,132 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 11:36:32,132 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 11:36:32,133 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 11:36:32,133 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 11:36:32,133 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 11:36:32,133 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 11:36:32,133 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 11:36:32,133 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_778720ac-c103-40db-a66b-13f1e3c6538f/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b859e272d72137c2ddb07ede97bfa3dea2dc5e9 [2018-11-28 11:36:32,156 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 11:36:32,164 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 11:36:32,166 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 11:36:32,166 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 11:36:32,167 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 11:36:32,167 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_778720ac-c103-40db-a66b-13f1e3c6538f/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product49_true-unreach-call_false-termination.cil.c [2018-11-28 11:36:32,205 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_778720ac-c103-40db-a66b-13f1e3c6538f/bin-2019/uautomizer/data/2e6985189/2801a11575d946db8a3c82cfb7503463/FLAG7b0c63c00 [2018-11-28 11:36:32,581 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 11:36:32,581 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_778720ac-c103-40db-a66b-13f1e3c6538f/sv-benchmarks/c/product-lines/minepump_spec2_product49_true-unreach-call_false-termination.cil.c [2018-11-28 11:36:32,592 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_778720ac-c103-40db-a66b-13f1e3c6538f/bin-2019/uautomizer/data/2e6985189/2801a11575d946db8a3c82cfb7503463/FLAG7b0c63c00 [2018-11-28 11:36:32,969 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_778720ac-c103-40db-a66b-13f1e3c6538f/bin-2019/uautomizer/data/2e6985189/2801a11575d946db8a3c82cfb7503463 [2018-11-28 11:36:32,971 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 11:36:32,973 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 11:36:32,973 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 11:36:32,973 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 11:36:32,976 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 11:36:32,977 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:36:32" (1/1) ... [2018-11-28 11:36:32,979 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64da3a80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:36:32, skipping insertion in model container [2018-11-28 11:36:32,979 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:36:32" (1/1) ... [2018-11-28 11:36:32,983 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 11:36:33,010 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 11:36:33,198 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:36:33,209 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 11:36:33,322 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:36:33,344 INFO L195 MainTranslator]: Completed translation [2018-11-28 11:36:33,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:36:33 WrapperNode [2018-11-28 11:36:33,344 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 11:36:33,345 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 11:36:33,345 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 11:36:33,345 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 11:36:33,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:36:33" (1/1) ... [2018-11-28 11:36:33,365 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:36:33" (1/1) ... [2018-11-28 11:36:33,373 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 11:36:33,374 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 11:36:33,374 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 11:36:33,374 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 11:36:33,383 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:36:33" (1/1) ... [2018-11-28 11:36:33,383 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:36:33" (1/1) ... [2018-11-28 11:36:33,386 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:36:33" (1/1) ... [2018-11-28 11:36:33,386 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:36:33" (1/1) ... [2018-11-28 11:36:33,395 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:36:33" (1/1) ... [2018-11-28 11:36:33,400 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:36:33" (1/1) ... [2018-11-28 11:36:33,403 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:36:33" (1/1) ... [2018-11-28 11:36:33,405 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 11:36:33,406 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 11:36:33,406 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 11:36:33,406 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 11:36:33,407 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:36:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_778720ac-c103-40db-a66b-13f1e3c6538f/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 11:36:33,443 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 11:36:33,443 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 11:36:33,443 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 11:36:33,443 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 11:36:33,443 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-28 11:36:33,444 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-28 11:36:33,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 11:36:33,444 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 11:36:33,444 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 11:36:33,444 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 11:36:33,444 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 11:36:33,444 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-28 11:36:33,444 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-28 11:36:33,444 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 11:36:33,444 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 11:36:33,444 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 11:36:33,445 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 11:36:33,445 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-28 11:36:33,445 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-28 11:36:33,445 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-28 11:36:33,445 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-28 11:36:33,445 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-28 11:36:33,445 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-28 11:36:33,445 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-28 11:36:33,445 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-28 11:36:33,446 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-28 11:36:33,446 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-28 11:36:33,446 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 11:36:33,446 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 11:36:33,446 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 11:36:33,446 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 11:36:33,446 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 11:36:33,446 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 11:36:33,447 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 11:36:33,447 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 11:36:33,447 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 11:36:33,447 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 11:36:33,447 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 11:36:33,447 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 11:36:33,447 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 11:36:33,447 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 11:36:33,447 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 11:36:33,448 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 11:36:33,448 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 11:36:33,448 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 11:36:33,448 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 11:36:33,448 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 11:36:33,448 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 11:36:33,448 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 11:36:33,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 11:36:33,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 11:36:33,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 11:36:33,449 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 11:36:33,449 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 11:36:33,449 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 11:36:33,451 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 11:36:33,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 11:36:33,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 11:36:33,869 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 11:36:33,869 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 11:36:33,869 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:36:33 BoogieIcfgContainer [2018-11-28 11:36:33,869 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 11:36:33,870 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 11:36:33,870 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 11:36:33,873 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 11:36:33,873 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 11:36:32" (1/3) ... [2018-11-28 11:36:33,874 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f4dd9e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:36:33, skipping insertion in model container [2018-11-28 11:36:33,874 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:36:33" (2/3) ... [2018-11-28 11:36:33,874 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f4dd9e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:36:33, skipping insertion in model container [2018-11-28 11:36:33,874 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:36:33" (3/3) ... [2018-11-28 11:36:33,876 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product49_true-unreach-call_false-termination.cil.c [2018-11-28 11:36:33,884 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 11:36:33,891 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 11:36:33,903 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 11:36:33,921 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 11:36:33,922 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 11:36:33,922 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 11:36:33,922 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 11:36:33,922 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 11:36:33,922 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 11:36:33,922 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 11:36:33,922 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 11:36:33,922 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 11:36:33,939 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states. [2018-11-28 11:36:33,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-28 11:36:33,945 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:36:33,946 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 11:36:33,948 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:36:33,952 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:36:33,952 INFO L82 PathProgramCache]: Analyzing trace with hash 1919739820, now seen corresponding path program 1 times [2018-11-28 11:36:33,953 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:36:33,954 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:36:33,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:36:33,984 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:36:33,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:36:34,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:36:34,131 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 11:36:34,133 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:36:34,133 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 11:36:34,136 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 11:36:34,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 11:36:34,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 11:36:34,146 INFO L87 Difference]: Start difference. First operand 146 states. Second operand 2 states. [2018-11-28 11:36:34,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:36:34,171 INFO L93 Difference]: Finished difference Result 262 states and 325 transitions. [2018-11-28 11:36:34,171 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 11:36:34,172 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-28 11:36:34,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:36:34,179 INFO L225 Difference]: With dead ends: 262 [2018-11-28 11:36:34,179 INFO L226 Difference]: Without dead ends: 133 [2018-11-28 11:36:34,182 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 11:36:34,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2018-11-28 11:36:34,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2018-11-28 11:36:34,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2018-11-28 11:36:34,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 156 transitions. [2018-11-28 11:36:34,213 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 156 transitions. Word has length 51 [2018-11-28 11:36:34,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:36:34,214 INFO L480 AbstractCegarLoop]: Abstraction has 133 states and 156 transitions. [2018-11-28 11:36:34,214 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 11:36:34,214 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 156 transitions. [2018-11-28 11:36:34,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-28 11:36:34,216 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:36:34,217 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 11:36:34,217 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:36:34,217 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:36:34,217 INFO L82 PathProgramCache]: Analyzing trace with hash -1005326354, now seen corresponding path program 1 times [2018-11-28 11:36:34,217 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:36:34,218 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:36:34,218 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:36:34,219 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:36:34,219 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:36:34,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:36:34,303 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 11:36:34,303 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:36:34,303 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 11:36:34,304 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 11:36:34,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 11:36:34,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:36:34,305 INFO L87 Difference]: Start difference. First operand 133 states and 156 transitions. Second operand 3 states. [2018-11-28 11:36:34,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:36:34,322 INFO L93 Difference]: Finished difference Result 211 states and 247 transitions. [2018-11-28 11:36:34,322 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 11:36:34,323 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-28 11:36:34,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:36:34,324 INFO L225 Difference]: With dead ends: 211 [2018-11-28 11:36:34,324 INFO L226 Difference]: Without dead ends: 124 [2018-11-28 11:36:34,325 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 11:36:34,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2018-11-28 11:36:34,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2018-11-28 11:36:34,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2018-11-28 11:36:34,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 144 transitions. [2018-11-28 11:36:34,337 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 144 transitions. Word has length 52 [2018-11-28 11:36:34,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:36:34,337 INFO L480 AbstractCegarLoop]: Abstraction has 124 states and 144 transitions. [2018-11-28 11:36:34,337 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 11:36:34,337 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 144 transitions. [2018-11-28 11:36:34,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-28 11:36:34,339 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:36:34,339 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 11:36:34,339 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:36:34,339 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:36:34,339 INFO L82 PathProgramCache]: Analyzing trace with hash -462648115, now seen corresponding path program 1 times [2018-11-28 11:36:34,340 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:36:34,340 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:36:34,342 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:36:34,342 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:36:34,342 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:36:34,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:36:34,450 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 11:36:34,450 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:36:34,450 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 11:36:34,450 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 11:36:34,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 11:36:34,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 11:36:34,451 INFO L87 Difference]: Start difference. First operand 124 states and 144 transitions. Second operand 7 states. [2018-11-28 11:36:34,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:36:34,650 INFO L93 Difference]: Finished difference Result 220 states and 261 transitions. [2018-11-28 11:36:34,650 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 11:36:34,650 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2018-11-28 11:36:34,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:36:34,652 INFO L225 Difference]: With dead ends: 220 [2018-11-28 11:36:34,652 INFO L226 Difference]: Without dead ends: 124 [2018-11-28 11:36:34,653 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-28 11:36:34,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2018-11-28 11:36:34,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2018-11-28 11:36:34,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2018-11-28 11:36:34,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 143 transitions. [2018-11-28 11:36:34,663 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 143 transitions. Word has length 56 [2018-11-28 11:36:34,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:36:34,664 INFO L480 AbstractCegarLoop]: Abstraction has 124 states and 143 transitions. [2018-11-28 11:36:34,664 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 11:36:34,664 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 143 transitions. [2018-11-28 11:36:34,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-28 11:36:34,666 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:36:34,666 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:36:34,667 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:36:34,667 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:36:34,667 INFO L82 PathProgramCache]: Analyzing trace with hash 2108365034, now seen corresponding path program 1 times [2018-11-28 11:36:34,667 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:36:34,667 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:36:34,668 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:36:34,668 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:36:34,668 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:36:34,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:36:34,757 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 11:36:34,757 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:36:34,757 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 11:36:34,758 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 11:36:34,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 11:36:34,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:36:34,758 INFO L87 Difference]: Start difference. First operand 124 states and 143 transitions. Second operand 5 states. [2018-11-28 11:36:35,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:36:35,041 INFO L93 Difference]: Finished difference Result 316 states and 383 transitions. [2018-11-28 11:36:35,042 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 11:36:35,042 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 69 [2018-11-28 11:36:35,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:36:35,044 INFO L225 Difference]: With dead ends: 316 [2018-11-28 11:36:35,044 INFO L226 Difference]: Without dead ends: 220 [2018-11-28 11:36:35,047 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-28 11:36:35,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2018-11-28 11:36:35,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 202. [2018-11-28 11:36:35,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2018-11-28 11:36:35,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 232 transitions. [2018-11-28 11:36:35,068 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 232 transitions. Word has length 69 [2018-11-28 11:36:35,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:36:35,069 INFO L480 AbstractCegarLoop]: Abstraction has 202 states and 232 transitions. [2018-11-28 11:36:35,069 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 11:36:35,069 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 232 transitions. [2018-11-28 11:36:35,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-28 11:36:35,071 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:36:35,071 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:36:35,071 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:36:35,071 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:36:35,071 INFO L82 PathProgramCache]: Analyzing trace with hash 923888339, now seen corresponding path program 1 times [2018-11-28 11:36:35,072 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:36:35,072 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:36:35,072 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:36:35,073 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:36:35,073 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:36:35,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:36:35,147 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 11:36:35,148 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:36:35,148 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 11:36:35,148 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 11:36:35,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 11:36:35,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 11:36:35,149 INFO L87 Difference]: Start difference. First operand 202 states and 232 transitions. Second operand 6 states. [2018-11-28 11:36:35,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:36:35,268 INFO L93 Difference]: Finished difference Result 532 states and 632 transitions. [2018-11-28 11:36:35,268 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 11:36:35,268 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2018-11-28 11:36:35,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:36:35,271 INFO L225 Difference]: With dead ends: 532 [2018-11-28 11:36:35,271 INFO L226 Difference]: Without dead ends: 358 [2018-11-28 11:36:35,272 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 11:36:35,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2018-11-28 11:36:35,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 352. [2018-11-28 11:36:35,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 352 states. [2018-11-28 11:36:35,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 404 transitions. [2018-11-28 11:36:35,301 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 404 transitions. Word has length 83 [2018-11-28 11:36:35,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:36:35,301 INFO L480 AbstractCegarLoop]: Abstraction has 352 states and 404 transitions. [2018-11-28 11:36:35,301 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 11:36:35,302 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 404 transitions. [2018-11-28 11:36:35,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-11-28 11:36:35,303 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:36:35,303 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:36:35,303 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:36:35,304 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:36:35,304 INFO L82 PathProgramCache]: Analyzing trace with hash -968028617, now seen corresponding path program 1 times [2018-11-28 11:36:35,304 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:36:35,304 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:36:35,305 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:36:35,305 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:36:35,305 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:36:35,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:36:35,412 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 11:36:35,413 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:36:35,413 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 11:36:35,413 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 11:36:35,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 11:36:35,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 11:36:35,414 INFO L87 Difference]: Start difference. First operand 352 states and 404 transitions. Second operand 7 states. [2018-11-28 11:36:35,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:36:35,744 INFO L93 Difference]: Finished difference Result 705 states and 832 transitions. [2018-11-28 11:36:35,745 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-28 11:36:35,745 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 87 [2018-11-28 11:36:35,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:36:35,747 INFO L225 Difference]: With dead ends: 705 [2018-11-28 11:36:35,747 INFO L226 Difference]: Without dead ends: 381 [2018-11-28 11:36:35,748 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-28 11:36:35,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2018-11-28 11:36:35,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 351. [2018-11-28 11:36:35,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 351 states. [2018-11-28 11:36:35,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 401 transitions. [2018-11-28 11:36:35,765 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 401 transitions. Word has length 87 [2018-11-28 11:36:35,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:36:35,765 INFO L480 AbstractCegarLoop]: Abstraction has 351 states and 401 transitions. [2018-11-28 11:36:35,765 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 11:36:35,765 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 401 transitions. [2018-11-28 11:36:35,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-28 11:36:35,766 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:36:35,767 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:36:35,767 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:36:35,767 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:36:35,767 INFO L82 PathProgramCache]: Analyzing trace with hash 319859695, now seen corresponding path program 1 times [2018-11-28 11:36:35,767 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:36:35,767 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:36:35,768 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:36:35,768 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:36:35,768 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:36:35,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:36:35,830 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 11:36:35,831 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:36:35,831 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 11:36:35,831 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 11:36:35,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 11:36:35,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 11:36:35,831 INFO L87 Difference]: Start difference. First operand 351 states and 401 transitions. Second operand 6 states. [2018-11-28 11:36:35,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:36:35,876 INFO L93 Difference]: Finished difference Result 684 states and 794 transitions. [2018-11-28 11:36:35,876 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 11:36:35,876 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2018-11-28 11:36:35,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:36:35,878 INFO L225 Difference]: With dead ends: 684 [2018-11-28 11:36:35,878 INFO L226 Difference]: Without dead ends: 361 [2018-11-28 11:36:35,878 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 11:36:35,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2018-11-28 11:36:35,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 361. [2018-11-28 11:36:35,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 361 states. [2018-11-28 11:36:35,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 411 transitions. [2018-11-28 11:36:35,896 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 411 transitions. Word has length 88 [2018-11-28 11:36:35,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:36:35,896 INFO L480 AbstractCegarLoop]: Abstraction has 361 states and 411 transitions. [2018-11-28 11:36:35,896 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 11:36:35,896 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 411 transitions. [2018-11-28 11:36:35,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-28 11:36:35,897 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:36:35,898 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:36:35,898 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:36:35,898 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:36:35,898 INFO L82 PathProgramCache]: Analyzing trace with hash 1021459569, now seen corresponding path program 1 times [2018-11-28 11:36:35,898 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:36:35,898 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:36:35,899 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:36:35,899 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:36:35,899 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:36:35,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:36:35,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:36:35,963 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:36:35,963 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-28 11:36:35,963 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 11:36:35,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 11:36:35,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-28 11:36:35,964 INFO L87 Difference]: Start difference. First operand 361 states and 411 transitions. Second operand 8 states. [2018-11-28 11:36:35,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:36:35,988 INFO L93 Difference]: Finished difference Result 708 states and 828 transitions. [2018-11-28 11:36:35,989 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 11:36:35,989 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 88 [2018-11-28 11:36:35,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:36:35,991 INFO L225 Difference]: With dead ends: 708 [2018-11-28 11:36:35,991 INFO L226 Difference]: Without dead ends: 375 [2018-11-28 11:36:35,992 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 11:36:35,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2018-11-28 11:36:36,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 369. [2018-11-28 11:36:36,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 369 states. [2018-11-28 11:36:36,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 419 transitions. [2018-11-28 11:36:36,005 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 419 transitions. Word has length 88 [2018-11-28 11:36:36,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:36:36,006 INFO L480 AbstractCegarLoop]: Abstraction has 369 states and 419 transitions. [2018-11-28 11:36:36,006 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 11:36:36,006 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 419 transitions. [2018-11-28 11:36:36,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-28 11:36:36,007 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:36:36,007 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:36:36,008 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:36:36,008 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:36:36,008 INFO L82 PathProgramCache]: Analyzing trace with hash -1548026830, now seen corresponding path program 1 times [2018-11-28 11:36:36,008 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:36:36,008 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:36:36,009 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:36:36,009 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:36:36,009 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:36:36,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:36:36,060 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 11:36:36,061 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:36:36,061 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 11:36:36,061 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 11:36:36,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 11:36:36,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 11:36:36,061 INFO L87 Difference]: Start difference. First operand 369 states and 419 transitions. Second operand 4 states. [2018-11-28 11:36:36,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:36:36,180 INFO L93 Difference]: Finished difference Result 1106 states and 1326 transitions. [2018-11-28 11:36:36,180 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 11:36:36,180 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 88 [2018-11-28 11:36:36,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:36:36,183 INFO L225 Difference]: With dead ends: 1106 [2018-11-28 11:36:36,183 INFO L226 Difference]: Without dead ends: 765 [2018-11-28 11:36:36,184 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 11:36:36,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 765 states. [2018-11-28 11:36:36,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 765 to 493. [2018-11-28 11:36:36,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 493 states. [2018-11-28 11:36:36,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 493 states and 556 transitions. [2018-11-28 11:36:36,211 INFO L78 Accepts]: Start accepts. Automaton has 493 states and 556 transitions. Word has length 88 [2018-11-28 11:36:36,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:36:36,211 INFO L480 AbstractCegarLoop]: Abstraction has 493 states and 556 transitions. [2018-11-28 11:36:36,211 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 11:36:36,212 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 556 transitions. [2018-11-28 11:36:36,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-11-28 11:36:36,213 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:36:36,213 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:36:36,213 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:36:36,213 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:36:36,214 INFO L82 PathProgramCache]: Analyzing trace with hash 1421535980, now seen corresponding path program 1 times [2018-11-28 11:36:36,214 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:36:36,214 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:36:36,214 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:36:36,214 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:36:36,214 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:36:36,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:36:36,259 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 11:36:36,259 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:36:36,259 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 11:36:36,260 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 11:36:36,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 11:36:36,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:36:36,260 INFO L87 Difference]: Start difference. First operand 493 states and 556 transitions. Second operand 3 states. [2018-11-28 11:36:36,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:36:36,298 INFO L93 Difference]: Finished difference Result 764 states and 876 transitions. [2018-11-28 11:36:36,299 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 11:36:36,299 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 92 [2018-11-28 11:36:36,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:36:36,302 INFO L225 Difference]: With dead ends: 764 [2018-11-28 11:36:36,302 INFO L226 Difference]: Without dead ends: 761 [2018-11-28 11:36:36,302 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 11:36:36,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 761 states. [2018-11-28 11:36:36,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 761 to 634. [2018-11-28 11:36:36,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 634 states. [2018-11-28 11:36:36,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 725 transitions. [2018-11-28 11:36:36,327 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 725 transitions. Word has length 92 [2018-11-28 11:36:36,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:36:36,328 INFO L480 AbstractCegarLoop]: Abstraction has 634 states and 725 transitions. [2018-11-28 11:36:36,328 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 11:36:36,328 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 725 transitions. [2018-11-28 11:36:36,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-28 11:36:36,330 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:36:36,330 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:36:36,331 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:36:36,331 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:36:36,331 INFO L82 PathProgramCache]: Analyzing trace with hash -2077363115, now seen corresponding path program 1 times [2018-11-28 11:36:36,331 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:36:36,331 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:36:36,332 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:36:36,332 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:36:36,332 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:36:36,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:36:36,391 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-28 11:36:36,391 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 11:36:36,391 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_778720ac-c103-40db-a66b-13f1e3c6538f/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 11:36:36,414 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:36:36,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:36:36,520 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:36:36,567 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:36:36,583 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 11:36:36,583 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2018-11-28 11:36:36,584 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 11:36:36,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 11:36:36,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-11-28 11:36:36,585 INFO L87 Difference]: Start difference. First operand 634 states and 725 transitions. Second operand 8 states. [2018-11-28 11:36:36,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:36:36,692 INFO L93 Difference]: Finished difference Result 1060 states and 1221 transitions. [2018-11-28 11:36:36,694 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 11:36:36,694 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 150 [2018-11-28 11:36:36,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:36:36,696 INFO L225 Difference]: With dead ends: 1060 [2018-11-28 11:36:36,696 INFO L226 Difference]: Without dead ends: 574 [2018-11-28 11:36:36,697 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-11-28 11:36:36,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2018-11-28 11:36:36,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 574. [2018-11-28 11:36:36,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 574 states. [2018-11-28 11:36:36,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 574 states and 646 transitions. [2018-11-28 11:36:36,725 INFO L78 Accepts]: Start accepts. Automaton has 574 states and 646 transitions. Word has length 150 [2018-11-28 11:36:36,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:36:36,725 INFO L480 AbstractCegarLoop]: Abstraction has 574 states and 646 transitions. [2018-11-28 11:36:36,725 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 11:36:36,725 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 646 transitions. [2018-11-28 11:36:36,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-28 11:36:36,727 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:36:36,727 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:36:36,728 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:36:36,728 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:36:36,728 INFO L82 PathProgramCache]: Analyzing trace with hash 532177712, now seen corresponding path program 1 times [2018-11-28 11:36:36,728 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:36:36,728 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:36:36,729 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:36:36,729 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:36:36,729 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:36:36,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:36:36,841 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-28 11:36:36,841 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 11:36:36,842 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_778720ac-c103-40db-a66b-13f1e3c6538f/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 11:36:36,849 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:36:36,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:36:36,932 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:36:37,016 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:36:37,043 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 11:36:37,043 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [10] total 14 [2018-11-28 11:36:37,043 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-28 11:36:37,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-28 11:36:37,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2018-11-28 11:36:37,044 INFO L87 Difference]: Start difference. First operand 574 states and 646 transitions. Second operand 14 states. [2018-11-28 11:36:38,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:36:38,060 INFO L93 Difference]: Finished difference Result 2072 states and 2717 transitions. [2018-11-28 11:36:38,060 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-28 11:36:38,060 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 152 [2018-11-28 11:36:38,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:36:38,065 INFO L225 Difference]: With dead ends: 2072 [2018-11-28 11:36:38,065 INFO L226 Difference]: Without dead ends: 1646 [2018-11-28 11:36:38,067 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=145, Invalid=557, Unknown=0, NotChecked=0, Total=702 [2018-11-28 11:36:38,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1646 states. [2018-11-28 11:36:38,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1646 to 1460. [2018-11-28 11:36:38,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1460 states. [2018-11-28 11:36:38,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1460 states to 1460 states and 1750 transitions. [2018-11-28 11:36:38,144 INFO L78 Accepts]: Start accepts. Automaton has 1460 states and 1750 transitions. Word has length 152 [2018-11-28 11:36:38,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:36:38,145 INFO L480 AbstractCegarLoop]: Abstraction has 1460 states and 1750 transitions. [2018-11-28 11:36:38,145 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-28 11:36:38,145 INFO L276 IsEmpty]: Start isEmpty. Operand 1460 states and 1750 transitions. [2018-11-28 11:36:38,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-28 11:36:38,148 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:36:38,148 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:36:38,148 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:36:38,149 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:36:38,149 INFO L82 PathProgramCache]: Analyzing trace with hash 459791154, now seen corresponding path program 1 times [2018-11-28 11:36:38,149 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:36:38,149 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:36:38,150 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:36:38,150 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:36:38,150 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:36:38,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:36:38,272 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-28 11:36:38,272 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:36:38,272 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-28 11:36:38,272 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 11:36:38,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 11:36:38,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-28 11:36:38,273 INFO L87 Difference]: Start difference. First operand 1460 states and 1750 transitions. Second operand 9 states. [2018-11-28 11:36:38,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:36:38,331 INFO L93 Difference]: Finished difference Result 1915 states and 2287 transitions. [2018-11-28 11:36:38,332 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 11:36:38,332 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 152 [2018-11-28 11:36:38,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:36:38,332 INFO L225 Difference]: With dead ends: 1915 [2018-11-28 11:36:38,333 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 11:36:38,335 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-11-28 11:36:38,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 11:36:38,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 11:36:38,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 11:36:38,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 11:36:38,336 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 152 [2018-11-28 11:36:38,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:36:38,336 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 11:36:38,336 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 11:36:38,336 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 11:36:38,336 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 11:36:38,340 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 11:36:38,349 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,353 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,361 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,379 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,384 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,397 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,402 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,430 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,436 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,466 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,469 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,471 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,478 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,481 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,483 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,485 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,485 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,486 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,486 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,487 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,488 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,489 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,489 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,490 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,491 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,491 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,518 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,539 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,547 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,554 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,558 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,564 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,568 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,570 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,573 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,576 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,582 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,585 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,587 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,593 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,597 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,601 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,603 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,604 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,605 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,606 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,608 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,610 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,610 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,611 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,611 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,613 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,615 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,622 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,625 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,631 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,638 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,642 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,645 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,650 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,655 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,659 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,662 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,665 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,669 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,672 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,679 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,682 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,684 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,687 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,691 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,694 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,698 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,700 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,701 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,702 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,702 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,704 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,705 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,706 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,706 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,707 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,708 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,709 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,712 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,715 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,719 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,722 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,724 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,725 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,726 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,726 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,729 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,730 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,730 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,731 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,732 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,733 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,734 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,741 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,745 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,755 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,758 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,764 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,770 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,776 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,779 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,788 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,793 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,795 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,799 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,803 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,806 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,818 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,822 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,824 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:38,970 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 27 [2018-11-28 11:36:39,301 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 22 [2018-11-28 11:36:39,467 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 27 [2018-11-28 11:36:39,606 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 27 [2018-11-28 11:36:39,709 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 32 [2018-11-28 11:36:40,305 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 40 [2018-11-28 11:36:41,049 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 953 959) the Hoare annotation is: true [2018-11-28 11:36:41,049 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 953 959) no Hoare annotation was computed. [2018-11-28 11:36:41,049 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 960 968) no Hoare annotation was computed. [2018-11-28 11:36:41,049 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 960 968) the Hoare annotation is: true [2018-11-28 11:36:41,050 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 960 968) no Hoare annotation was computed. [2018-11-28 11:36:41,050 INFO L444 ceAbstractionStarter]: At program point L129(line 129) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-28 11:36:41,050 INFO L444 ceAbstractionStarter]: At program point L128(line 128) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-28 11:36:41,050 INFO L444 ceAbstractionStarter]: At program point L128-1(line 128) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-28 11:36:41,050 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 122 144) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-28 11:36:41,050 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 122 144) no Hoare annotation was computed. [2018-11-28 11:36:41,050 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 122 144) no Hoare annotation was computed. [2018-11-28 11:36:41,050 INFO L444 ceAbstractionStarter]: At program point L134(line 134) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 11:36:41,050 INFO L444 ceAbstractionStarter]: At program point L134-1(line 134) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 11:36:41,050 INFO L448 ceAbstractionStarter]: For program point L132(lines 132 139) no Hoare annotation was computed. [2018-11-28 11:36:41,050 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 132 139) no Hoare annotation was computed. [2018-11-28 11:36:41,050 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-28 11:36:41,050 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 476 484) no Hoare annotation was computed. [2018-11-28 11:36:41,050 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 476 484) the Hoare annotation is: true [2018-11-28 11:36:41,050 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 476 484) no Hoare annotation was computed. [2018-11-28 11:36:41,050 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 540 558) the Hoare annotation is: true [2018-11-28 11:36:41,051 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 540 558) no Hoare annotation was computed. [2018-11-28 11:36:41,051 INFO L448 ceAbstractionStarter]: For program point L549(lines 549 553) no Hoare annotation was computed. [2018-11-28 11:36:41,051 INFO L451 ceAbstractionStarter]: At program point L547(line 547) the Hoare annotation is: true [2018-11-28 11:36:41,051 INFO L448 ceAbstractionStarter]: For program point L549-2(lines 549 553) no Hoare annotation was computed. [2018-11-28 11:36:41,051 INFO L448 ceAbstractionStarter]: For program point L547-1(line 547) no Hoare annotation was computed. [2018-11-28 11:36:41,051 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 540 558) no Hoare annotation was computed. [2018-11-28 11:36:41,051 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 946 952) no Hoare annotation was computed. [2018-11-28 11:36:41,051 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 946 952) the Hoare annotation is: true [2018-11-28 11:36:41,051 INFO L444 ceAbstractionStarter]: At program point L113(line 113) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-28 11:36:41,051 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 108 118) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-28 11:36:41,051 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 108 118) no Hoare annotation was computed. [2018-11-28 11:36:41,051 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 108 118) no Hoare annotation was computed. [2018-11-28 11:36:41,051 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 457 464) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 1) (not (= 1 |old(~pumpRunning~0)|))) [2018-11-28 11:36:41,051 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 457 464) no Hoare annotation was computed. [2018-11-28 11:36:41,051 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 457 464) no Hoare annotation was computed. [2018-11-28 11:36:41,051 INFO L444 ceAbstractionStarter]: At program point L443(line 443) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (< ~waterLevel~0 1))) (and (or .cse0 (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0)) .cse3) (or (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse3 .cse0) (or .cse2 .cse0 (not (= 1 |old(~pumpRunning~0)|))))) [2018-11-28 11:36:41,051 INFO L448 ceAbstractionStarter]: For program point L443-1(lines 424 448) no Hoare annotation was computed. [2018-11-28 11:36:41,051 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 424 448) no Hoare annotation was computed. [2018-11-28 11:36:41,051 INFO L444 ceAbstractionStarter]: At program point L438(line 438) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (< ~waterLevel~0 1))) (and (or .cse0 (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse0) (or .cse2 .cse0 (not (= 1 |old(~pumpRunning~0)|))))) [2018-11-28 11:36:41,052 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 424 448) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< ~waterLevel~0 1))) (and (or .cse0 (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0)) .cse3) (or (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse3 .cse0) (or .cse2 .cse3 .cse0 (not (= 1 |old(~pumpRunning~0)|))))) [2018-11-28 11:36:41,052 INFO L444 ceAbstractionStarter]: At program point L434(line 434) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (< ~waterLevel~0 1))) (and (or .cse0 (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse0) (or .cse2 .cse0 (not (= 1 |old(~pumpRunning~0)|)) (and (= processEnvironment_~tmp~4 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-11-28 11:36:41,052 INFO L448 ceAbstractionStarter]: For program point L432(lines 432 440) no Hoare annotation was computed. [2018-11-28 11:36:41,052 INFO L444 ceAbstractionStarter]: At program point L430(line 430) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (< ~waterLevel~0 1))) (and (or .cse0 (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse0) (or .cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 (not (= 1 |old(~pumpRunning~0)|))))) [2018-11-28 11:36:41,052 INFO L448 ceAbstractionStarter]: For program point L430-1(line 430) no Hoare annotation was computed. [2018-11-28 11:36:41,052 INFO L448 ceAbstractionStarter]: For program point L428(lines 428 445) no Hoare annotation was computed. [2018-11-28 11:36:41,052 INFO L448 ceAbstractionStarter]: For program point L235(lines 235 241) no Hoare annotation was computed. [2018-11-28 11:36:41,052 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 231 244) no Hoare annotation was computed. [2018-11-28 11:36:41,052 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 231 244) the Hoare annotation is: true [2018-11-28 11:36:41,052 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 231 244) no Hoare annotation was computed. [2018-11-28 11:36:41,052 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 390 396) no Hoare annotation was computed. [2018-11-28 11:36:41,052 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 390 396) the Hoare annotation is: true [2018-11-28 11:36:41,052 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 296 359) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-28 11:36:41,052 INFO L444 ceAbstractionStarter]: At program point L318(line 318) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) (= ~pumpRunning~0 1) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 (= 0 ~methAndRunningLastTime~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 11:36:41,052 INFO L444 ceAbstractionStarter]: At program point L349(lines 306 351) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) (= ~pumpRunning~0 1) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 (= 0 ~methAndRunningLastTime~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 11:36:41,052 INFO L448 ceAbstractionStarter]: For program point L316(lines 316 322) no Hoare annotation was computed. [2018-11-28 11:36:41,052 INFO L448 ceAbstractionStarter]: For program point L316-1(lines 316 322) no Hoare annotation was computed. [2018-11-28 11:36:41,053 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 296 359) no Hoare annotation was computed. [2018-11-28 11:36:41,053 INFO L448 ceAbstractionStarter]: For program point L308(lines 308 312) no Hoare annotation was computed. [2018-11-28 11:36:41,053 INFO L444 ceAbstractionStarter]: At program point L352(lines 305 353) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 11:36:41,053 INFO L448 ceAbstractionStarter]: For program point L342(lines 342 346) no Hoare annotation was computed. [2018-11-28 11:36:41,053 INFO L444 ceAbstractionStarter]: At program point L342-2(lines 336 347) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) (= ~pumpRunning~0 1) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 (= 0 ~methAndRunningLastTime~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 11:36:41,053 INFO L448 ceAbstractionStarter]: For program point L307(lines 306 351) no Hoare annotation was computed. [2018-11-28 11:36:41,053 INFO L448 ceAbstractionStarter]: For program point L336(lines 336 347) no Hoare annotation was computed. [2018-11-28 11:36:41,053 INFO L444 ceAbstractionStarter]: At program point L328(line 328) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) (= ~pumpRunning~0 1) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 (= 0 ~methAndRunningLastTime~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 11:36:41,053 INFO L448 ceAbstractionStarter]: For program point L326(lines 326 332) no Hoare annotation was computed. [2018-11-28 11:36:41,053 INFO L448 ceAbstractionStarter]: For program point L326-1(lines 326 332) no Hoare annotation was computed. [2018-11-28 11:36:41,053 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 296 359) no Hoare annotation was computed. [2018-11-28 11:36:41,053 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 245 253) no Hoare annotation was computed. [2018-11-28 11:36:41,053 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 245 253) the Hoare annotation is: true [2018-11-28 11:36:41,053 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 245 253) no Hoare annotation was computed. [2018-11-28 11:36:41,054 INFO L444 ceAbstractionStarter]: At program point L281(line 281) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 2)) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (or .cse0 .cse1 (or .cse2 (not (= ~methaneLevelCritical~0 0)))) (or (or (not (= 0 ~pumpRunning~0)) .cse2) (< ~waterLevel~0 1)))) [2018-11-28 11:36:41,054 INFO L448 ceAbstractionStarter]: For program point L279(lines 279 285) no Hoare annotation was computed. [2018-11-28 11:36:41,054 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 288) no Hoare annotation was computed. [2018-11-28 11:36:41,054 INFO L444 ceAbstractionStarter]: At program point L276(line 276) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse5 (< ~waterLevel~0 2)) (.cse6 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (or .cse0 .cse1 .cse2) (< ~waterLevel~0 1)) (or .cse0 .cse3 .cse1 (not (= ~waterLevel~0 1)) .cse4) (or .cse3 .cse5 .cse6 .cse1 .cse4) (or .cse5 .cse6 (or .cse1 .cse2)))) [2018-11-28 11:36:41,054 INFO L448 ceAbstractionStarter]: For program point L276-1(line 276) no Hoare annotation was computed. [2018-11-28 11:36:41,054 INFO L448 ceAbstractionStarter]: For program point L274(lines 274 291) no Hoare annotation was computed. [2018-11-28 11:36:41,054 INFO L448 ceAbstractionStarter]: For program point L274-1(lines 266 294) no Hoare annotation was computed. [2018-11-28 11:36:41,054 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 266 294) the Hoare annotation is: (let ((.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (not (= 0 ~pumpRunning~0)) .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2) (or .cse0 (< ~waterLevel~0 2) (not (= 1 ~pumpRunning~0)) .cse1 .cse2))) [2018-11-28 11:36:41,054 INFO L444 ceAbstractionStarter]: At program point L272(line 272) the Hoare annotation is: (let ((.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (not (= 0 ~pumpRunning~0)) .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2) (or .cse0 (< ~waterLevel~0 2) (not (= 1 ~pumpRunning~0)) .cse1 .cse2))) [2018-11-28 11:36:41,054 INFO L448 ceAbstractionStarter]: For program point L272-1(line 272) no Hoare annotation was computed. [2018-11-28 11:36:41,054 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 266 294) no Hoare annotation was computed. [2018-11-28 11:36:41,054 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 258 265) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~waterLevel~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~methaneLevelCritical~0 0)) (= 0 ~methAndRunningLastTime~0)) [2018-11-28 11:36:41,054 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 258 265) no Hoare annotation was computed. [2018-11-28 11:36:41,054 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 258 265) no Hoare annotation was computed. [2018-11-28 11:36:41,054 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 11:36:41,054 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 11:36:41,054 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 11:36:41,054 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 449 456) no Hoare annotation was computed. [2018-11-28 11:36:41,055 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 449 456) no Hoare annotation was computed. [2018-11-28 11:36:41,055 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 449 456) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (< ~waterLevel~0 2)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methAndRunningLastTime~0 0))) (or (or .cse0 .cse3 (not (= ~methaneLevelCritical~0 0))) .cse2 .cse1))) [2018-11-28 11:36:41,055 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 521 539) no Hoare annotation was computed. [2018-11-28 11:36:41,055 INFO L451 ceAbstractionStarter]: At program point L528(line 528) the Hoare annotation is: true [2018-11-28 11:36:41,055 INFO L448 ceAbstractionStarter]: For program point L530-2(lines 530 534) no Hoare annotation was computed. [2018-11-28 11:36:41,055 INFO L448 ceAbstractionStarter]: For program point L528-1(line 528) no Hoare annotation was computed. [2018-11-28 11:36:41,055 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 521 539) the Hoare annotation is: true [2018-11-28 11:36:41,055 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 521 539) no Hoare annotation was computed. [2018-11-28 11:36:41,055 INFO L448 ceAbstractionStarter]: For program point L530(lines 530 534) no Hoare annotation was computed. [2018-11-28 11:36:41,055 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 178 189) the Hoare annotation is: (let ((.cse4 (= 0 ~methaneLevelCritical~0)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse5 (< ~waterLevel~0 2)) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2 .cse3 .cse4) (or .cse4 .cse5 (not (= 1 ~pumpRunning~0)) (or .cse1 .cse3) .cse2) (or .cse4 (or .cse0 .cse1 .cse3) .cse5 .cse2))) [2018-11-28 11:36:41,055 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 178 189) no Hoare annotation was computed. [2018-11-28 11:36:41,055 INFO L448 ceAbstractionStarter]: For program point L182-1(lines 178 189) no Hoare annotation was computed. [2018-11-28 11:36:41,055 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 190 198) the Hoare annotation is: true [2018-11-28 11:36:41,056 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 190 198) no Hoare annotation was computed. [2018-11-28 11:36:41,056 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 190 198) no Hoare annotation was computed. [2018-11-28 11:36:41,056 INFO L444 ceAbstractionStarter]: At program point L379(line 379) the Hoare annotation is: (let ((.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (< |old(~waterLevel~0)| 2)) (.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (< |old(~waterLevel~0)| 1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0) .cse1 (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse2 .cse3)) (or .cse3 .cse0 .cse4 .cse5 .cse1) (or .cse0 .cse4 .cse5 (and (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse2)))) [2018-11-28 11:36:41,056 INFO L444 ceAbstractionStarter]: At program point L377(lines 377 383) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (let ((.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|))) (or (and (<= 2 ~waterLevel~0) (= ~pumpRunning~0 1) .cse0 .cse1) (< |old(~waterLevel~0)| 1) (or .cse2 .cse3) (and .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse4)) (or (and (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) .cse3 (< |old(~waterLevel~0)| 2) (not (= 1 |old(~pumpRunning~0)|))) (or .cse2 .cse1 .cse3 (not (= |old(~waterLevel~0)| 1)) .cse4))) [2018-11-28 11:36:41,056 INFO L444 ceAbstractionStarter]: At program point L372(line 372) the Hoare annotation is: (let ((.cse1 (< |old(~waterLevel~0)| 2)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 .cse3 (= 0 ~methAndRunningLastTime~0)) (or (< |old(~waterLevel~0)| 1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0) .cse3))) [2018-11-28 11:36:41,056 INFO L448 ceAbstractionStarter]: For program point L370(lines 369 388) no Hoare annotation was computed. [2018-11-28 11:36:41,056 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 366 389) the Hoare annotation is: (let ((.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (< |old(~waterLevel~0)| 2)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (< |old(~waterLevel~0)| 1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0) .cse4 (and .cse5 .cse6 .cse3)) (or .cse0 .cse1 .cse2 (and .cse5 .cse6)))) [2018-11-28 11:36:41,056 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 366 389) no Hoare annotation was computed. [2018-11-28 11:36:41,057 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 366 389) no Hoare annotation was computed. [2018-11-28 11:36:41,057 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2018-11-28 11:36:41,057 INFO L448 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-11-28 11:36:41,057 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2018-11-28 11:36:41,057 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-11-28 11:36:41,057 INFO L451 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2018-11-28 11:36:41,057 INFO L448 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-11-28 11:36:41,057 INFO L451 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2018-11-28 11:36:41,057 INFO L451 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2018-11-28 11:36:41,057 INFO L448 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2018-11-28 11:36:41,057 INFO L451 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2018-11-28 11:36:41,057 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 154 165) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (= ~waterLevel~0 |old(~waterLevel~0)|) (< |old(~waterLevel~0)| 2) (not (= 1 ~pumpRunning~0))) [2018-11-28 11:36:41,057 INFO L448 ceAbstractionStarter]: For program point L158-1(lines 154 165) no Hoare annotation was computed. [2018-11-28 11:36:41,058 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 154 165) no Hoare annotation was computed. [2018-11-28 11:36:41,058 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2018-11-28 11:36:41,058 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2018-11-28 11:36:41,058 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 11:36:41,058 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 11:36:41,058 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 11:36:41,058 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 11:36:41,058 INFO L444 ceAbstractionStarter]: At program point L417(line 417) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (< ~waterLevel~0 1))) (and (or .cse0 (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse0))) [2018-11-28 11:36:41,058 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 398 422) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< ~waterLevel~0 1))) (and (or .cse0 (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0)) .cse3) (or (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse3 .cse0))) [2018-11-28 11:36:41,058 INFO L448 ceAbstractionStarter]: For program point L417-1(lines 398 422) no Hoare annotation was computed. [2018-11-28 11:36:41,059 INFO L444 ceAbstractionStarter]: At program point L412(line 412) the Hoare annotation is: (let ((.cse2 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~3) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse3 (< ~waterLevel~0 1)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) .cse2 .cse3) (or .cse2 .cse3 (or .cse0 .cse1) (not (= ~methAndRunningLastTime~0 0))))) [2018-11-28 11:36:41,059 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 398 422) no Hoare annotation was computed. [2018-11-28 11:36:41,059 INFO L444 ceAbstractionStarter]: At program point L408(line 408) the Hoare annotation is: (let ((.cse2 (< ~waterLevel~0 1)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (and (<= 2 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) .cse2 .cse3) (or .cse2 (or .cse0 .cse1) .cse3 (not (= ~methAndRunningLastTime~0 0))))) [2018-11-28 11:36:41,059 INFO L448 ceAbstractionStarter]: For program point L406(lines 406 414) no Hoare annotation was computed. [2018-11-28 11:36:41,059 INFO L444 ceAbstractionStarter]: At program point L404(line 404) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< ~waterLevel~0 1))) (and (or .cse0 (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0)) .cse3) (or (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse3 .cse0))) [2018-11-28 11:36:41,059 INFO L448 ceAbstractionStarter]: For program point L404-1(line 404) no Hoare annotation was computed. [2018-11-28 11:36:41,059 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 419) no Hoare annotation was computed. [2018-11-28 11:36:41,059 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 166 177) no Hoare annotation was computed. [2018-11-28 11:36:41,059 INFO L448 ceAbstractionStarter]: For program point L170-1(lines 166 177) no Hoare annotation was computed. [2018-11-28 11:36:41,059 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 166 177) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 (< |old(~waterLevel~0)| 2) (not (= 1 ~pumpRunning~0)) .cse1) (or (< |old(~waterLevel~0)| 1) (or (not (= 0 ~pumpRunning~0)) .cse0) (not (= ~methAndRunningLastTime~0 0)) .cse1))) [2018-11-28 11:36:41,059 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 926 933) no Hoare annotation was computed. [2018-11-28 11:36:41,060 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 930) no Hoare annotation was computed. [2018-11-28 11:36:41,060 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 926 933) the Hoare annotation is: true [2018-11-28 11:36:41,060 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 926 933) no Hoare annotation was computed. [2018-11-28 11:36:41,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 11:36:41 BoogieIcfgContainer [2018-11-28 11:36:41,068 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 11:36:41,068 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 11:36:41,068 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 11:36:41,069 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 11:36:41,069 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:36:33" (3/4) ... [2018-11-28 11:36:41,072 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 11:36:41,077 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 11:36:41,078 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 11:36:41,078 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 11:36:41,078 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 11:36:41,078 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-28 11:36:41,078 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 11:36:41,078 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 11:36:41,078 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 11:36:41,078 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 11:36:41,078 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-28 11:36:41,078 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-28 11:36:41,078 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 11:36:41,078 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-28 11:36:41,078 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-28 11:36:41,078 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-28 11:36:41,078 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 11:36:41,078 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-28 11:36:41,078 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-28 11:36:41,078 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 11:36:41,078 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-28 11:36:41,079 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 11:36:41,079 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 11:36:41,079 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 11:36:41,079 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 11:36:41,079 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 11:36:41,079 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 11:36:41,079 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 11:36:41,085 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-11-28 11:36:41,085 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-11-28 11:36:41,085 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-28 11:36:41,086 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-28 11:36:41,086 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 11:36:41,086 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 11:36:41,105 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((2 <= waterLevel && pumpRunning == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || !(systemActive == 1)) || (((0 == pumpRunning && 1 <= waterLevel) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 11:36:41,105 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 11:36:41,136 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_778720ac-c103-40db-a66b-13f1e3c6538f/bin-2019/uautomizer/witness.graphml [2018-11-28 11:36:41,136 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 11:36:41,137 INFO L168 Benchmark]: Toolchain (without parser) took 8165.22 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 407.4 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -107.4 MB). Peak memory consumption was 300.0 MB. Max. memory is 11.5 GB. [2018-11-28 11:36:41,137 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:36:41,137 INFO L168 Benchmark]: CACSL2BoogieTranslator took 371.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -169.5 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. [2018-11-28 11:36:41,138 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.78 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:36:41,138 INFO L168 Benchmark]: Boogie Preprocessor took 31.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-28 11:36:41,138 INFO L168 Benchmark]: RCFGBuilder took 463.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 52.6 MB). Peak memory consumption was 52.6 MB. Max. memory is 11.5 GB. [2018-11-28 11:36:41,138 INFO L168 Benchmark]: TraceAbstraction took 7197.99 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 275.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -6.1 MB). Peak memory consumption was 428.0 MB. Max. memory is 11.5 GB. [2018-11-28 11:36:41,139 INFO L168 Benchmark]: Witness Printer took 68.07 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2018-11-28 11:36:41,140 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 371.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -169.5 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.78 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 463.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 52.6 MB). Peak memory consumption was 52.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7197.99 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 275.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -6.1 MB). Peak memory consumption was 428.0 MB. Max. memory is 11.5 GB. * Witness Printer took 68.07 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 930]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: (((((((2 <= waterLevel && pumpRunning == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || !(systemActive == 1)) || (((0 == pumpRunning && 1 <= waterLevel) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 28 procedures, 146 locations, 1 error locations. SAFE Result, 7.1s OverallTime, 13 OverallIterations, 2 TraceHistogramMax, 2.4s AutomataDifference, 0.0s DeadEndRemovalTime, 2.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 2148 SDtfs, 1667 SDslu, 5151 SDs, 0 SdLazy, 2588 SolverSat, 644 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 446 GetRequests, 358 SyntacticMatches, 2 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1460occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 13 MinimizatonAttempts, 645 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 60 LocationsWithAnnotation, 1864 PreInvPairs, 1940 NumberOfFragments, 1752 HoareAnnotationTreeSize, 1864 FomulaSimplifications, 11334 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 60 FomulaSimplificationsInter, 11542 FormulaSimplificationTreeSizeReductionInter, 2.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1510 NumberOfCodeBlocks, 1510 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1495 ConstructedInterpolants, 0 QuantifiedInterpolants, 269339 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1759 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 15 InterpolantComputations, 13 PerfectInterpolantSequences, 203/213 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...