./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product58_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_899d4fbb-caf4-44ea-a9ec-4857a4ceb679/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_899d4fbb-caf4-44ea-a9ec-4857a4ceb679/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_899d4fbb-caf4-44ea-a9ec-4857a4ceb679/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_899d4fbb-caf4-44ea-a9ec-4857a4ceb679/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product58_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_899d4fbb-caf4-44ea-a9ec-4857a4ceb679/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_899d4fbb-caf4-44ea-a9ec-4857a4ceb679/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 99a0574ff0f23dd43b458f22f446fd063a15f78d ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 13:07:56,109 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 13:07:56,110 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 13:07:56,116 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 13:07:56,116 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 13:07:56,117 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 13:07:56,117 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 13:07:56,118 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 13:07:56,119 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 13:07:56,120 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 13:07:56,120 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 13:07:56,120 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 13:07:56,121 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 13:07:56,121 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 13:07:56,122 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 13:07:56,122 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 13:07:56,122 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 13:07:56,123 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 13:07:56,124 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 13:07:56,125 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 13:07:56,126 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 13:07:56,126 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 13:07:56,128 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 13:07:56,128 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 13:07:56,128 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 13:07:56,128 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 13:07:56,129 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 13:07:56,129 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 13:07:56,130 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 13:07:56,131 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 13:07:56,131 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 13:07:56,131 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 13:07:56,131 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 13:07:56,131 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 13:07:56,132 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 13:07:56,132 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 13:07:56,132 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_899d4fbb-caf4-44ea-a9ec-4857a4ceb679/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-09 13:07:56,140 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 13:07:56,140 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 13:07:56,140 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 13:07:56,140 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 13:07:56,141 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 13:07:56,141 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 13:07:56,141 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 13:07:56,141 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 13:07:56,141 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 13:07:56,141 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 13:07:56,141 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 13:07:56,142 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 13:07:56,142 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 13:07:56,142 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 13:07:56,142 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 13:07:56,142 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 13:07:56,142 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 13:07:56,142 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 13:07:56,142 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 13:07:56,142 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 13:07:56,142 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 13:07:56,142 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 13:07:56,143 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 13:07:56,143 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 13:07:56,143 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 13:07:56,143 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 13:07:56,143 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 13:07:56,143 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-09 13:07:56,143 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 13:07:56,143 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 13:07:56,143 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_899d4fbb-caf4-44ea-a9ec-4857a4ceb679/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 -> 99a0574ff0f23dd43b458f22f446fd063a15f78d [2018-12-09 13:07:56,160 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 13:07:56,167 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 13:07:56,169 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 13:07:56,170 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 13:07:56,170 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 13:07:56,171 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_899d4fbb-caf4-44ea-a9ec-4857a4ceb679/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product58_true-unreach-call_false-termination.cil.c [2018-12-09 13:07:56,205 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_899d4fbb-caf4-44ea-a9ec-4857a4ceb679/bin-2019/uautomizer/data/b6a2f5bb7/24ad7ff5d17b428ebe771bd2c8f7346e/FLAG8ed2e1532 [2018-12-09 13:07:56,589 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 13:07:56,589 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_899d4fbb-caf4-44ea-a9ec-4857a4ceb679/sv-benchmarks/c/product-lines/minepump_spec4_product58_true-unreach-call_false-termination.cil.c [2018-12-09 13:07:56,595 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_899d4fbb-caf4-44ea-a9ec-4857a4ceb679/bin-2019/uautomizer/data/b6a2f5bb7/24ad7ff5d17b428ebe771bd2c8f7346e/FLAG8ed2e1532 [2018-12-09 13:07:56,953 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_899d4fbb-caf4-44ea-a9ec-4857a4ceb679/bin-2019/uautomizer/data/b6a2f5bb7/24ad7ff5d17b428ebe771bd2c8f7346e [2018-12-09 13:07:56,954 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 13:07:56,955 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 13:07:56,956 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 13:07:56,956 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 13:07:56,958 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 13:07:56,958 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:07:56" (1/1) ... [2018-12-09 13:07:56,960 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53463ee1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:07:56, skipping insertion in model container [2018-12-09 13:07:56,960 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:07:56" (1/1) ... [2018-12-09 13:07:56,964 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 13:07:56,985 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 13:07:57,132 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 13:07:57,140 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 13:07:57,214 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 13:07:57,230 INFO L195 MainTranslator]: Completed translation [2018-12-09 13:07:57,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:07:57 WrapperNode [2018-12-09 13:07:57,230 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 13:07:57,231 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 13:07:57,231 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 13:07:57,231 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 13:07:57,236 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:07:57" (1/1) ... [2018-12-09 13:07:57,246 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:07:57" (1/1) ... [2018-12-09 13:07:57,251 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 13:07:57,251 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 13:07:57,251 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 13:07:57,251 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 13:07:57,257 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:07:57" (1/1) ... [2018-12-09 13:07:57,258 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:07:57" (1/1) ... [2018-12-09 13:07:57,260 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:07:57" (1/1) ... [2018-12-09 13:07:57,260 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:07:57" (1/1) ... [2018-12-09 13:07:57,266 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:07:57" (1/1) ... [2018-12-09 13:07:57,270 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:07:57" (1/1) ... [2018-12-09 13:07:57,271 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:07:57" (1/1) ... [2018-12-09 13:07:57,273 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 13:07:57,273 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 13:07:57,273 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 13:07:57,273 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 13:07:57,274 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:07:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_899d4fbb-caf4-44ea-a9ec-4857a4ceb679/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 13:07:57,308 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 13:07:57,308 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 13:07:57,308 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-12-09 13:07:57,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-12-09 13:07:57,308 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 13:07:57,308 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 13:07:57,309 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-09 13:07:57,309 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-09 13:07:57,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 13:07:57,309 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 13:07:57,309 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 13:07:57,309 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 13:07:57,309 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 13:07:57,310 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-09 13:07:57,310 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-09 13:07:57,310 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 13:07:57,310 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 13:07:57,310 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 13:07:57,310 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 13:07:57,310 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-12-09 13:07:57,310 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-12-09 13:07:57,311 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-09 13:07:57,311 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-09 13:07:57,311 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-09 13:07:57,311 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-09 13:07:57,311 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-09 13:07:57,311 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-09 13:07:57,311 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-09 13:07:57,311 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-09 13:07:57,312 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 13:07:57,312 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 13:07:57,312 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 13:07:57,312 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 13:07:57,312 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 13:07:57,312 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 13:07:57,312 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 13:07:57,312 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 13:07:57,312 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-09 13:07:57,312 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-09 13:07:57,312 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 13:07:57,312 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 13:07:57,312 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 13:07:57,312 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 13:07:57,312 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 13:07:57,313 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 13:07:57,313 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 13:07:57,313 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 13:07:57,313 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 13:07:57,313 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 13:07:57,313 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 13:07:57,313 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 13:07:57,313 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-09 13:07:57,313 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-09 13:07:57,313 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 13:07:57,313 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 13:07:57,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 13:07:57,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 13:07:57,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 13:07:57,314 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 13:07:57,314 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 13:07:57,314 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 13:07:57,314 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 13:07:57,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 13:07:57,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 13:07:57,658 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 13:07:57,658 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 13:07:57,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:07:57 BoogieIcfgContainer [2018-12-09 13:07:57,659 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 13:07:57,659 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 13:07:57,660 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 13:07:57,662 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 13:07:57,663 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 01:07:56" (1/3) ... [2018-12-09 13:07:57,663 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bd131f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 01:07:57, skipping insertion in model container [2018-12-09 13:07:57,664 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:07:57" (2/3) ... [2018-12-09 13:07:57,664 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bd131f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 01:07:57, skipping insertion in model container [2018-12-09 13:07:57,664 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:07:57" (3/3) ... [2018-12-09 13:07:57,665 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product58_true-unreach-call_false-termination.cil.c [2018-12-09 13:07:57,672 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 13:07:57,679 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 13:07:57,688 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 13:07:57,710 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 13:07:57,711 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 13:07:57,711 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 13:07:57,711 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 13:07:57,711 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 13:07:57,711 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 13:07:57,711 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 13:07:57,711 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 13:07:57,711 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 13:07:57,726 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states. [2018-12-09 13:07:57,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-09 13:07:57,732 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 13:07:57,733 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 13:07:57,734 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 13:07:57,738 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 13:07:57,738 INFO L82 PathProgramCache]: Analyzing trace with hash 345966289, now seen corresponding path program 1 times [2018-12-09 13:07:57,739 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 13:07:57,740 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 13:07:57,769 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:07:57,770 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 13:07:57,770 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:07:57,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:07:57,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 13:07:57,896 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 13:07:57,897 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 13:07:57,899 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 13:07:57,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 13:07:57,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 13:07:57,908 INFO L87 Difference]: Start difference. First operand 160 states. Second operand 2 states. [2018-12-09 13:07:57,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 13:07:57,932 INFO L93 Difference]: Finished difference Result 294 states and 357 transitions. [2018-12-09 13:07:57,932 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 13:07:57,933 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-09 13:07:57,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 13:07:57,939 INFO L225 Difference]: With dead ends: 294 [2018-12-09 13:07:57,940 INFO L226 Difference]: Without dead ends: 147 [2018-12-09 13:07:57,942 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 13:07:57,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2018-12-09 13:07:57,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2018-12-09 13:07:57,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2018-12-09 13:07:57,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 170 transitions. [2018-12-09 13:07:57,973 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 170 transitions. Word has length 46 [2018-12-09 13:07:57,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 13:07:57,973 INFO L480 AbstractCegarLoop]: Abstraction has 147 states and 170 transitions. [2018-12-09 13:07:57,973 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 13:07:57,973 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 170 transitions. [2018-12-09 13:07:57,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-09 13:07:57,975 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 13:07:57,975 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 13:07:57,975 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 13:07:57,975 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 13:07:57,975 INFO L82 PathProgramCache]: Analyzing trace with hash 1633337234, now seen corresponding path program 1 times [2018-12-09 13:07:57,975 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 13:07:57,975 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 13:07:57,976 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:07:57,976 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 13:07:57,976 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:07:57,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:07:58,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 13:07:58,040 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 13:07:58,040 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 13:07:58,041 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 13:07:58,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 13:07:58,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 13:07:58,042 INFO L87 Difference]: Start difference. First operand 147 states and 170 transitions. Second operand 3 states. [2018-12-09 13:07:58,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 13:07:58,060 INFO L93 Difference]: Finished difference Result 239 states and 275 transitions. [2018-12-09 13:07:58,060 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 13:07:58,061 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-09 13:07:58,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 13:07:58,062 INFO L225 Difference]: With dead ends: 239 [2018-12-09 13:07:58,062 INFO L226 Difference]: Without dead ends: 138 [2018-12-09 13:07:58,063 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 13:07:58,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2018-12-09 13:07:58,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2018-12-09 13:07:58,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2018-12-09 13:07:58,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 158 transitions. [2018-12-09 13:07:58,074 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 158 transitions. Word has length 47 [2018-12-09 13:07:58,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 13:07:58,075 INFO L480 AbstractCegarLoop]: Abstraction has 138 states and 158 transitions. [2018-12-09 13:07:58,075 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 13:07:58,075 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 158 transitions. [2018-12-09 13:07:58,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 13:07:58,076 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 13:07:58,076 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 13:07:58,076 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 13:07:58,077 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 13:07:58,077 INFO L82 PathProgramCache]: Analyzing trace with hash 2041048239, now seen corresponding path program 1 times [2018-12-09 13:07:58,077 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 13:07:58,077 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 13:07:58,078 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:07:58,078 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 13:07:58,078 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:07:58,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:07:58,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 13:07:58,171 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 13:07:58,171 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 13:07:58,172 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 13:07:58,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 13:07:58,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 13:07:58,172 INFO L87 Difference]: Start difference. First operand 138 states and 158 transitions. Second operand 7 states. [2018-12-09 13:07:58,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 13:07:58,340 INFO L93 Difference]: Finished difference Result 252 states and 293 transitions. [2018-12-09 13:07:58,341 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 13:07:58,341 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-12-09 13:07:58,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 13:07:58,342 INFO L225 Difference]: With dead ends: 252 [2018-12-09 13:07:58,343 INFO L226 Difference]: Without dead ends: 138 [2018-12-09 13:07:58,343 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 13:07:58,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2018-12-09 13:07:58,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2018-12-09 13:07:58,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2018-12-09 13:07:58,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 157 transitions. [2018-12-09 13:07:58,354 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 157 transitions. Word has length 52 [2018-12-09 13:07:58,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 13:07:58,354 INFO L480 AbstractCegarLoop]: Abstraction has 138 states and 157 transitions. [2018-12-09 13:07:58,354 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 13:07:58,354 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 157 transitions. [2018-12-09 13:07:58,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-09 13:07:58,356 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 13:07:58,356 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 13:07:58,356 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 13:07:58,356 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 13:07:58,356 INFO L82 PathProgramCache]: Analyzing trace with hash -507321815, now seen corresponding path program 1 times [2018-12-09 13:07:58,356 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 13:07:58,357 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 13:07:58,357 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:07:58,357 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 13:07:58,358 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:07:58,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:07:58,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 13:07:58,433 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 13:07:58,433 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 13:07:58,433 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 13:07:58,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 13:07:58,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 13:07:58,434 INFO L87 Difference]: Start difference. First operand 138 states and 157 transitions. Second operand 5 states. [2018-12-09 13:07:58,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 13:07:58,727 INFO L93 Difference]: Finished difference Result 353 states and 419 transitions. [2018-12-09 13:07:58,727 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 13:07:58,727 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2018-12-09 13:07:58,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 13:07:58,729 INFO L225 Difference]: With dead ends: 353 [2018-12-09 13:07:58,729 INFO L226 Difference]: Without dead ends: 239 [2018-12-09 13:07:58,730 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-09 13:07:58,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2018-12-09 13:07:58,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 220. [2018-12-09 13:07:58,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2018-12-09 13:07:58,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 248 transitions. [2018-12-09 13:07:58,750 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 248 transitions. Word has length 65 [2018-12-09 13:07:58,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 13:07:58,751 INFO L480 AbstractCegarLoop]: Abstraction has 220 states and 248 transitions. [2018-12-09 13:07:58,751 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 13:07:58,751 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 248 transitions. [2018-12-09 13:07:58,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-12-09 13:07:58,752 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 13:07:58,752 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 13:07:58,752 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 13:07:58,753 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 13:07:58,753 INFO L82 PathProgramCache]: Analyzing trace with hash -465750265, now seen corresponding path program 1 times [2018-12-09 13:07:58,753 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 13:07:58,753 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 13:07:58,754 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:07:58,754 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 13:07:58,754 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:07:58,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:07:58,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 13:07:58,832 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 13:07:58,832 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-09 13:07:58,833 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 13:07:58,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 13:07:58,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-09 13:07:58,833 INFO L87 Difference]: Start difference. First operand 220 states and 248 transitions. Second operand 8 states. [2018-12-09 13:07:58,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 13:07:58,862 INFO L93 Difference]: Finished difference Result 423 states and 489 transitions. [2018-12-09 13:07:58,862 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 13:07:58,862 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 79 [2018-12-09 13:07:58,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 13:07:58,865 INFO L225 Difference]: With dead ends: 423 [2018-12-09 13:07:58,865 INFO L226 Difference]: Without dead ends: 227 [2018-12-09 13:07:58,866 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 [2018-12-09 13:07:58,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2018-12-09 13:07:58,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 224. [2018-12-09 13:07:58,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2018-12-09 13:07:58,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 252 transitions. [2018-12-09 13:07:58,882 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 252 transitions. Word has length 79 [2018-12-09 13:07:58,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 13:07:58,883 INFO L480 AbstractCegarLoop]: Abstraction has 224 states and 252 transitions. [2018-12-09 13:07:58,883 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 13:07:58,883 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 252 transitions. [2018-12-09 13:07:58,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-12-09 13:07:58,884 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 13:07:58,884 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 13:07:58,885 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 13:07:58,885 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 13:07:58,885 INFO L82 PathProgramCache]: Analyzing trace with hash -1851953659, now seen corresponding path program 1 times [2018-12-09 13:07:58,885 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 13:07:58,885 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 13:07:58,886 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:07:58,886 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 13:07:58,886 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:07:58,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:07:59,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 13:07:59,012 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 13:07:59,012 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-09 13:07:59,013 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 13:07:59,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 13:07:59,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-09 13:07:59,013 INFO L87 Difference]: Start difference. First operand 224 states and 252 transitions. Second operand 10 states. [2018-12-09 13:07:59,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 13:07:59,268 INFO L93 Difference]: Finished difference Result 726 states and 882 transitions. [2018-12-09 13:07:59,268 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-09 13:07:59,268 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 79 [2018-12-09 13:07:59,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 13:07:59,270 INFO L225 Difference]: With dead ends: 726 [2018-12-09 13:07:59,270 INFO L226 Difference]: Without dead ends: 526 [2018-12-09 13:07:59,271 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-12-09 13:07:59,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2018-12-09 13:07:59,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 516. [2018-12-09 13:07:59,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 516 states. [2018-12-09 13:07:59,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 516 states and 597 transitions. [2018-12-09 13:07:59,291 INFO L78 Accepts]: Start accepts. Automaton has 516 states and 597 transitions. Word has length 79 [2018-12-09 13:07:59,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 13:07:59,291 INFO L480 AbstractCegarLoop]: Abstraction has 516 states and 597 transitions. [2018-12-09 13:07:59,291 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 13:07:59,292 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 597 transitions. [2018-12-09 13:07:59,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-09 13:07:59,293 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 13:07:59,293 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 13:07:59,293 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 13:07:59,294 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 13:07:59,294 INFO L82 PathProgramCache]: Analyzing trace with hash -1726701374, now seen corresponding path program 1 times [2018-12-09 13:07:59,294 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 13:07:59,294 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 13:07:59,294 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:07:59,294 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 13:07:59,294 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:07:59,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:07:59,366 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-12-09 13:07:59,366 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 13:07:59,366 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_899d4fbb-caf4-44ea-a9ec-4857a4ceb679/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 13:07:59,373 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 13:07:59,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:07:59,449 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 13:07:59,575 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 13:07:59,601 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 13:07:59,601 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [7] total 13 [2018-12-09 13:07:59,602 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-12-09 13:07:59,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-12-09 13:07:59,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-12-09 13:07:59,602 INFO L87 Difference]: Start difference. First operand 516 states and 597 transitions. Second operand 13 states. [2018-12-09 13:08:01,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 13:08:01,459 INFO L93 Difference]: Finished difference Result 1365 states and 1748 transitions. [2018-12-09 13:08:01,459 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2018-12-09 13:08:01,459 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 138 [2018-12-09 13:08:01,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 13:08:01,463 INFO L225 Difference]: With dead ends: 1365 [2018-12-09 13:08:01,463 INFO L226 Difference]: Without dead ends: 994 [2018-12-09 13:08:01,465 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1159 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=632, Invalid=3150, Unknown=0, NotChecked=0, Total=3782 [2018-12-09 13:08:01,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 994 states. [2018-12-09 13:08:01,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 994 to 869. [2018-12-09 13:08:01,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 869 states. [2018-12-09 13:08:01,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 869 states and 1043 transitions. [2018-12-09 13:08:01,518 INFO L78 Accepts]: Start accepts. Automaton has 869 states and 1043 transitions. Word has length 138 [2018-12-09 13:08:01,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 13:08:01,518 INFO L480 AbstractCegarLoop]: Abstraction has 869 states and 1043 transitions. [2018-12-09 13:08:01,518 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-12-09 13:08:01,518 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 1043 transitions. [2018-12-09 13:08:01,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-12-09 13:08:01,520 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 13:08:01,521 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 13:08:01,521 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 13:08:01,521 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 13:08:01,521 INFO L82 PathProgramCache]: Analyzing trace with hash -1142516901, now seen corresponding path program 1 times [2018-12-09 13:08:01,521 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 13:08:01,521 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 13:08:01,522 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:08:01,522 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 13:08:01,522 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:08:01,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:08:01,595 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 13:08:01,596 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 13:08:01,596 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_899d4fbb-caf4-44ea-a9ec-4857a4ceb679/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 13:08:01,603 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 13:08:01,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:08:01,684 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 13:08:01,719 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-09 13:08:01,734 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 13:08:01,735 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 6 [2018-12-09 13:08:01,735 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 13:08:01,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 13:08:01,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 13:08:01,735 INFO L87 Difference]: Start difference. First operand 869 states and 1043 transitions. Second operand 6 states. [2018-12-09 13:08:01,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 13:08:01,787 INFO L93 Difference]: Finished difference Result 1552 states and 1927 transitions. [2018-12-09 13:08:01,787 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 13:08:01,787 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 149 [2018-12-09 13:08:01,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 13:08:01,790 INFO L225 Difference]: With dead ends: 1552 [2018-12-09 13:08:01,790 INFO L226 Difference]: Without dead ends: 707 [2018-12-09 13:08:01,792 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 147 SyntacticMatches, 3 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-09 13:08:01,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 707 states. [2018-12-09 13:08:01,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 707 to 705. [2018-12-09 13:08:01,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 705 states. [2018-12-09 13:08:01,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 705 states and 840 transitions. [2018-12-09 13:08:01,827 INFO L78 Accepts]: Start accepts. Automaton has 705 states and 840 transitions. Word has length 149 [2018-12-09 13:08:01,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 13:08:01,827 INFO L480 AbstractCegarLoop]: Abstraction has 705 states and 840 transitions. [2018-12-09 13:08:01,827 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 13:08:01,827 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 840 transitions. [2018-12-09 13:08:01,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-09 13:08:01,828 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 13:08:01,828 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 13:08:01,828 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 13:08:01,828 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 13:08:01,829 INFO L82 PathProgramCache]: Analyzing trace with hash -2058920796, now seen corresponding path program 1 times [2018-12-09 13:08:01,829 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 13:08:01,829 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 13:08:01,829 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:08:01,829 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 13:08:01,829 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:08:01,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:08:01,897 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 13:08:01,897 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 13:08:01,897 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_899d4fbb-caf4-44ea-a9ec-4857a4ceb679/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 13:08:01,903 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 13:08:01,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:08:01,966 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 13:08:02,012 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 13:08:02,028 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-09 13:08:02,028 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 14 [2018-12-09 13:08:02,029 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-12-09 13:08:02,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-12-09 13:08:02,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2018-12-09 13:08:02,029 INFO L87 Difference]: Start difference. First operand 705 states and 840 transitions. Second operand 14 states. [2018-12-09 13:08:03,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 13:08:03,095 INFO L93 Difference]: Finished difference Result 1569 states and 1978 transitions. [2018-12-09 13:08:03,095 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-12-09 13:08:03,095 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 153 [2018-12-09 13:08:03,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 13:08:03,098 INFO L225 Difference]: With dead ends: 1569 [2018-12-09 13:08:03,098 INFO L226 Difference]: Without dead ends: 951 [2018-12-09 13:08:03,099 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 208 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=206, Invalid=850, Unknown=0, NotChecked=0, Total=1056 [2018-12-09 13:08:03,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 951 states. [2018-12-09 13:08:03,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 951 to 799. [2018-12-09 13:08:03,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 799 states. [2018-12-09 13:08:03,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 799 states to 799 states and 936 transitions. [2018-12-09 13:08:03,127 INFO L78 Accepts]: Start accepts. Automaton has 799 states and 936 transitions. Word has length 153 [2018-12-09 13:08:03,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 13:08:03,127 INFO L480 AbstractCegarLoop]: Abstraction has 799 states and 936 transitions. [2018-12-09 13:08:03,127 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-12-09 13:08:03,127 INFO L276 IsEmpty]: Start isEmpty. Operand 799 states and 936 transitions. [2018-12-09 13:08:03,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-12-09 13:08:03,129 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 13:08:03,129 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 13:08:03,129 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 13:08:03,129 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 13:08:03,129 INFO L82 PathProgramCache]: Analyzing trace with hash -2014696091, now seen corresponding path program 1 times [2018-12-09 13:08:03,129 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 13:08:03,129 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 13:08:03,130 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:08:03,130 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 13:08:03,130 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:08:03,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:08:03,207 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 41 proven. 8 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2018-12-09 13:08:03,207 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 13:08:03,207 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_899d4fbb-caf4-44ea-a9ec-4857a4ceb679/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 13:08:03,214 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 13:08:03,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:08:03,286 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 13:08:03,348 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-09 13:08:03,373 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 13:08:03,373 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2018-12-09 13:08:03,374 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-12-09 13:08:03,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-12-09 13:08:03,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-12-09 13:08:03,374 INFO L87 Difference]: Start difference. First operand 799 states and 936 transitions. Second operand 13 states. [2018-12-09 13:08:03,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 13:08:03,414 INFO L93 Difference]: Finished difference Result 1062 states and 1246 transitions. [2018-12-09 13:08:03,415 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 13:08:03,415 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 207 [2018-12-09 13:08:03,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 13:08:03,416 INFO L225 Difference]: With dead ends: 1062 [2018-12-09 13:08:03,416 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 13:08:03,417 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2018-12-09 13:08:03,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 13:08:03,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 13:08:03,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 13:08:03,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 13:08:03,418 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 207 [2018-12-09 13:08:03,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 13:08:03,418 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 13:08:03,418 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-12-09 13:08:03,418 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 13:08:03,418 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 13:08:03,422 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 13:08:03,474 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:08:03,475 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:08:03,476 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:08:03,476 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:08:03,479 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:08:03,481 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:08:03,481 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:08:03,481 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:08:03,482 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:08:03,483 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:08:03,484 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:08:03,484 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:08:03,511 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:08:03,511 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:08:03,512 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:08:03,512 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:08:03,515 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:08:03,516 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:08:03,517 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:08:03,517 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:08:03,518 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:08:03,519 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:08:03,520 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:08:03,520 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:08:03,524 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:08:03,525 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:08:03,525 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:08:03,528 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:08:03,528 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:08:03,529 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:08:03,529 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:08:03,530 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:08:03,531 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:08:03,531 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:08:03,532 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:08:03,532 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:08:03,562 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:08:03,565 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:08:03,566 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:08:03,626 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:08:03,626 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:08:03,626 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:08:03,626 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:08:03,628 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:08:03,629 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:08:03,629 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:08:03,629 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:08:03,629 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:08:03,630 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:08:03,630 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:08:03,630 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:08:04,706 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 674 680) the Hoare annotation is: true [2018-12-09 13:08:04,706 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 674 680) no Hoare annotation was computed. [2018-12-09 13:08:04,706 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 681 689) no Hoare annotation was computed. [2018-12-09 13:08:04,706 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 681 689) the Hoare annotation is: true [2018-12-09 13:08:04,706 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 681 689) no Hoare annotation was computed. [2018-12-09 13:08:04,706 INFO L448 ceAbstractionStarter]: For program point L417(lines 417 430) no Hoare annotation was computed. [2018-12-09 13:08:04,706 INFO L448 ceAbstractionStarter]: For program point L417-1(lines 409 433) no Hoare annotation was computed. [2018-12-09 13:08:04,706 INFO L451 ceAbstractionStarter]: At program point L415(line 415) the Hoare annotation is: true [2018-12-09 13:08:04,706 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 409 433) the Hoare annotation is: true [2018-12-09 13:08:04,706 INFO L448 ceAbstractionStarter]: For program point L415-1(line 415) no Hoare annotation was computed. [2018-12-09 13:08:04,706 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 409 433) no Hoare annotation was computed. [2018-12-09 13:08:04,706 INFO L444 ceAbstractionStarter]: At program point L423(line 423) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 ~pumpRunning~0)) (< ~waterLevel~0 1) .cse0) (or (< ~waterLevel~0 2) .cse0))) [2018-12-09 13:08:04,706 INFO L448 ceAbstractionStarter]: For program point L421(lines 421 427) no Hoare annotation was computed. [2018-12-09 13:08:04,706 INFO L444 ceAbstractionStarter]: At program point L419(line 419) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 ~pumpRunning~0)) (< ~waterLevel~0 1) .cse0) (or (< ~waterLevel~0 2) .cse0))) [2018-12-09 13:08:04,706 INFO L448 ceAbstractionStarter]: For program point L419-1(line 419) no Hoare annotation was computed. [2018-12-09 13:08:04,706 INFO L448 ceAbstractionStarter]: For program point L642-1(lines 642 649) no Hoare annotation was computed. [2018-12-09 13:08:04,706 INFO L448 ceAbstractionStarter]: For program point L640(line 640) no Hoare annotation was computed. [2018-12-09 13:08:04,707 INFO L444 ceAbstractionStarter]: At program point L639(line 639) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 13:08:04,707 INFO L444 ceAbstractionStarter]: At program point L638(line 638) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 13:08:04,707 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 632 654) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 13:08:04,707 INFO L444 ceAbstractionStarter]: At program point L638-1(line 638) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 13:08:04,707 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 632 654) no Hoare annotation was computed. [2018-12-09 13:08:04,707 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 632 654) no Hoare annotation was computed. [2018-12-09 13:08:04,707 INFO L444 ceAbstractionStarter]: At program point L644(line 644) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~4 ~waterLevel~0) (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 13:08:04,707 INFO L444 ceAbstractionStarter]: At program point L644-1(line 644) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~4 ~waterLevel~0) (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 13:08:04,707 INFO L448 ceAbstractionStarter]: For program point L642(lines 642 649) no Hoare annotation was computed. [2018-12-09 13:08:04,707 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 825 833) no Hoare annotation was computed. [2018-12-09 13:08:04,707 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 825 833) the Hoare annotation is: true [2018-12-09 13:08:04,707 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 825 833) no Hoare annotation was computed. [2018-12-09 13:08:04,707 INFO L451 ceAbstractionStarter]: At program point L896(line 896) the Hoare annotation is: true [2018-12-09 13:08:04,707 INFO L448 ceAbstractionStarter]: For program point L898-2(lines 898 902) no Hoare annotation was computed. [2018-12-09 13:08:04,707 INFO L448 ceAbstractionStarter]: For program point L896-1(line 896) no Hoare annotation was computed. [2018-12-09 13:08:04,707 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 889 907) the Hoare annotation is: true [2018-12-09 13:08:04,707 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 889 907) no Hoare annotation was computed. [2018-12-09 13:08:04,707 INFO L448 ceAbstractionStarter]: For program point L898(lines 898 902) no Hoare annotation was computed. [2018-12-09 13:08:04,707 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 889 907) no Hoare annotation was computed. [2018-12-09 13:08:04,707 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 667 673) no Hoare annotation was computed. [2018-12-09 13:08:04,707 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 667 673) the Hoare annotation is: true [2018-12-09 13:08:04,708 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 619 628) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 13:08:04,708 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 619 628) no Hoare annotation was computed. [2018-12-09 13:08:04,708 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 619 628) no Hoare annotation was computed. [2018-12-09 13:08:04,708 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 814 824) the Hoare annotation is: true [2018-12-09 13:08:04,708 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 814 824) no Hoare annotation was computed. [2018-12-09 13:08:04,708 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 814 824) no Hoare annotation was computed. [2018-12-09 13:08:04,708 INFO L451 ceAbstractionStarter]: At program point L819(line 819) the Hoare annotation is: true [2018-12-09 13:08:04,708 INFO L448 ceAbstractionStarter]: For program point L819-1(line 819) no Hoare annotation was computed. [2018-12-09 13:08:04,708 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 806 813) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 1) (= |old(~pumpRunning~0)| 0) (not (= ~systemActive~0 1))) [2018-12-09 13:08:04,708 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 806 813) no Hoare annotation was computed. [2018-12-09 13:08:04,708 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 806 813) no Hoare annotation was computed. [2018-12-09 13:08:04,708 INFO L444 ceAbstractionStarter]: At program point L769(line 769) the Hoare annotation is: (or (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-12-09 13:08:04,708 INFO L444 ceAbstractionStarter]: At program point L765(line 765) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= processEnvironment_~tmp~6 1)) .cse0 .cse1))) [2018-12-09 13:08:04,708 INFO L448 ceAbstractionStarter]: For program point L763(lines 763 771) no Hoare annotation was computed. [2018-12-09 13:08:04,708 INFO L444 ceAbstractionStarter]: At program point L761(line 761) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 .cse1))) [2018-12-09 13:08:04,708 INFO L448 ceAbstractionStarter]: For program point L761-1(line 761) no Hoare annotation was computed. [2018-12-09 13:08:04,708 INFO L448 ceAbstractionStarter]: For program point L759(lines 759 776) no Hoare annotation was computed. [2018-12-09 13:08:04,708 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 755 779) no Hoare annotation was computed. [2018-12-09 13:08:04,708 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 755 779) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-12-09 13:08:04,708 INFO L444 ceAbstractionStarter]: At program point L774(line 774) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (= |old(~pumpRunning~0)| 0) .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 .cse1))) [2018-12-09 13:08:04,709 INFO L448 ceAbstractionStarter]: For program point L774-1(lines 755 779) no Hoare annotation was computed. [2018-12-09 13:08:04,709 INFO L448 ceAbstractionStarter]: For program point L534(lines 534 540) no Hoare annotation was computed. [2018-12-09 13:08:04,709 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 530 543) no Hoare annotation was computed. [2018-12-09 13:08:04,709 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 530 543) the Hoare annotation is: true [2018-12-09 13:08:04,709 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 530 543) no Hoare annotation was computed. [2018-12-09 13:08:04,709 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 721 727) no Hoare annotation was computed. [2018-12-09 13:08:04,709 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 721 727) the Hoare annotation is: true [2018-12-09 13:08:04,709 INFO L448 ceAbstractionStarter]: For program point L929(lines 929 933) no Hoare annotation was computed. [2018-12-09 13:08:04,709 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 917 982) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 13:08:04,709 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 917 982) no Hoare annotation was computed. [2018-12-09 13:08:04,709 INFO L444 ceAbstractionStarter]: At program point L975(lines 926 976) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 13:08:04,709 INFO L448 ceAbstractionStarter]: For program point L965(lines 965 969) no Hoare annotation was computed. [2018-12-09 13:08:04,709 INFO L444 ceAbstractionStarter]: At program point L965-2(lines 957 970) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-12-09 13:08:04,709 INFO L448 ceAbstractionStarter]: For program point L928(lines 927 974) no Hoare annotation was computed. [2018-12-09 13:08:04,709 INFO L444 ceAbstractionStarter]: At program point L959(line 959) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-12-09 13:08:04,709 INFO L448 ceAbstractionStarter]: For program point L957(lines 957 970) no Hoare annotation was computed. [2018-12-09 13:08:04,709 INFO L444 ceAbstractionStarter]: At program point L949(line 949) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-12-09 13:08:04,709 INFO L448 ceAbstractionStarter]: For program point L947(lines 947 953) no Hoare annotation was computed. [2018-12-09 13:08:04,709 INFO L448 ceAbstractionStarter]: For program point L947-1(lines 947 953) no Hoare annotation was computed. [2018-12-09 13:08:04,709 INFO L444 ceAbstractionStarter]: At program point L972(lines 927 974) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-12-09 13:08:04,710 INFO L444 ceAbstractionStarter]: At program point L939(line 939) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)))) [2018-12-09 13:08:04,710 INFO L448 ceAbstractionStarter]: For program point L937(lines 937 943) no Hoare annotation was computed. [2018-12-09 13:08:04,710 INFO L448 ceAbstractionStarter]: For program point L937-1(lines 937 943) no Hoare annotation was computed. [2018-12-09 13:08:04,710 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 917 982) no Hoare annotation was computed. [2018-12-09 13:08:04,710 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 780 787) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 2) (not (= ~systemActive~0 1))) [2018-12-09 13:08:04,710 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 780 787) no Hoare annotation was computed. [2018-12-09 13:08:04,710 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 780 787) no Hoare annotation was computed. [2018-12-09 13:08:04,710 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 544 552) no Hoare annotation was computed. [2018-12-09 13:08:04,710 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 544 552) the Hoare annotation is: true [2018-12-09 13:08:04,710 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 544 552) no Hoare annotation was computed. [2018-12-09 13:08:04,710 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 13:08:04,710 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-09 13:08:04,710 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 13:08:04,710 INFO L444 ceAbstractionStarter]: At program point L800(line 800) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 2) (not (= ~systemActive~0 1))) [2018-12-09 13:08:04,710 INFO L448 ceAbstractionStarter]: For program point L800-1(lines 789 805) no Hoare annotation was computed. [2018-12-09 13:08:04,710 INFO L448 ceAbstractionStarter]: For program point L796(lines 796 802) no Hoare annotation was computed. [2018-12-09 13:08:04,710 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 789 805) no Hoare annotation was computed. [2018-12-09 13:08:04,710 INFO L444 ceAbstractionStarter]: At program point L794(line 794) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 2) (not (= ~systemActive~0 1))) [2018-12-09 13:08:04,710 INFO L448 ceAbstractionStarter]: For program point L794-1(line 794) no Hoare annotation was computed. [2018-12-09 13:08:04,710 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 789 805) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 2) (not (= ~systemActive~0 1))) [2018-12-09 13:08:04,710 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 870 888) no Hoare annotation was computed. [2018-12-09 13:08:04,710 INFO L448 ceAbstractionStarter]: For program point L879(lines 879 883) no Hoare annotation was computed. [2018-12-09 13:08:04,711 INFO L451 ceAbstractionStarter]: At program point L877(line 877) the Hoare annotation is: true [2018-12-09 13:08:04,711 INFO L448 ceAbstractionStarter]: For program point L879-2(lines 879 883) no Hoare annotation was computed. [2018-12-09 13:08:04,711 INFO L448 ceAbstractionStarter]: For program point L877-1(line 877) no Hoare annotation was computed. [2018-12-09 13:08:04,711 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 870 888) the Hoare annotation is: true [2018-12-09 13:08:04,711 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 870 888) no Hoare annotation was computed. [2018-12-09 13:08:04,711 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 521 529) the Hoare annotation is: true [2018-12-09 13:08:04,711 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 521 529) no Hoare annotation was computed. [2018-12-09 13:08:04,711 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 521 529) no Hoare annotation was computed. [2018-12-09 13:08:04,711 INFO L448 ceAbstractionStarter]: For program point L481-1(lines 477 488) no Hoare annotation was computed. [2018-12-09 13:08:04,711 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 477 488) the Hoare annotation is: true [2018-12-09 13:08:04,711 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 477 488) no Hoare annotation was computed. [2018-12-09 13:08:04,711 INFO L444 ceAbstractionStarter]: At program point L703(line 703) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (< |old(~waterLevel~0)| 2) .cse0)) (or (not (= 0 |old(~pumpRunning~0)|)) (< |old(~waterLevel~0)| 1) .cse0))) [2018-12-09 13:08:04,711 INFO L448 ceAbstractionStarter]: For program point L701(lines 700 719) no Hoare annotation was computed. [2018-12-09 13:08:04,711 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 697 720) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse0) (or (< |old(~waterLevel~0)| 2) .cse1)) (or (not (= 0 |old(~pumpRunning~0)|)) (and (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) .cse0) .cse1 (not (= |old(~waterLevel~0)| 1))))) [2018-12-09 13:08:04,711 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 697 720) no Hoare annotation was computed. [2018-12-09 13:08:04,711 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 697 720) no Hoare annotation was computed. [2018-12-09 13:08:04,711 INFO L444 ceAbstractionStarter]: At program point L710(line 710) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (< |old(~waterLevel~0)| 2))) (and (or .cse0 (and (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) .cse1) .cse2 (not (= |old(~waterLevel~0)| 1))) (or (and (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse1) (or .cse3 .cse2)) (or (or .cse0 .cse2) .cse3 (= ~waterLevel~0 |old(~waterLevel~0)|)))) [2018-12-09 13:08:04,711 INFO L444 ceAbstractionStarter]: At program point L708(lines 708 714) the Hoare annotation is: (let ((.cse3 (= ~systemActive~0 1))) (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not .cse3)) (.cse2 (and (<= 2 ~waterLevel~0) (= ~waterLevel~0 |old(~waterLevel~0)|) .cse3))) (and (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1 (not (= |old(~waterLevel~0)| 1))) (or (and (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) .cse2 (or (< |old(~waterLevel~0)| 2) .cse1)) (or (and (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) .cse0 (< |old(~waterLevel~0)| 1) .cse1 .cse2)))) [2018-12-09 13:08:04,711 INFO L448 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-12-09 13:08:04,711 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 556 585) no Hoare annotation was computed. [2018-12-09 13:08:04,711 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 556 585) the Hoare annotation is: true [2018-12-09 13:08:04,712 INFO L448 ceAbstractionStarter]: For program point L570(lines 570 574) no Hoare annotation was computed. [2018-12-09 13:08:04,712 INFO L451 ceAbstractionStarter]: At program point L570-1(lines 570 574) the Hoare annotation is: true [2018-12-09 13:08:04,712 INFO L448 ceAbstractionStarter]: For program point L567(line 567) no Hoare annotation was computed. [2018-12-09 13:08:04,712 INFO L451 ceAbstractionStarter]: At program point L566-2(lines 566 580) the Hoare annotation is: true [2018-12-09 13:08:04,712 INFO L451 ceAbstractionStarter]: At program point L562(line 562) the Hoare annotation is: true [2018-12-09 13:08:04,712 INFO L448 ceAbstractionStarter]: For program point L562-1(line 562) no Hoare annotation was computed. [2018-12-09 13:08:04,712 INFO L451 ceAbstractionStarter]: At program point L581(lines 556 585) the Hoare annotation is: true [2018-12-09 13:08:04,712 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 489 497) the Hoare annotation is: true [2018-12-09 13:08:04,712 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 489 497) no Hoare annotation was computed. [2018-12-09 13:08:04,712 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 489 497) no Hoare annotation was computed. [2018-12-09 13:08:04,712 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 453 464) the Hoare annotation is: (or (= ~waterLevel~0 |old(~waterLevel~0)|) (or (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) (< |old(~waterLevel~0)| 2)) [2018-12-09 13:08:04,712 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 453 464) no Hoare annotation was computed. [2018-12-09 13:08:04,712 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 453 464) no Hoare annotation was computed. [2018-12-09 13:08:04,712 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 611 617) no Hoare annotation was computed. [2018-12-09 13:08:04,712 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 611 617) the Hoare annotation is: true [2018-12-09 13:08:04,712 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 13:08:04,712 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) (= ~systemActive~0 1) (< ~waterLevel~0 2)) [2018-12-09 13:08:04,712 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 13:08:04,712 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 13:08:04,712 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 908 915) no Hoare annotation was computed. [2018-12-09 13:08:04,712 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 908 915) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (not (= |old(~systemActive~0)| 1)))) (and (or (not (= 0 ~pumpRunning~0)) .cse0 .cse1 (not (= ~waterLevel~0 1))) (or .cse0 (or (< ~waterLevel~0 2) .cse1)))) [2018-12-09 13:08:04,712 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 908 915) no Hoare annotation was computed. [2018-12-09 13:08:04,712 INFO L448 ceAbstractionStarter]: For program point L737(lines 737 745) no Hoare annotation was computed. [2018-12-09 13:08:04,713 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 729 753) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-12-09 13:08:04,713 INFO L444 ceAbstractionStarter]: At program point L735(line 735) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-12-09 13:08:04,713 INFO L448 ceAbstractionStarter]: For program point L735-1(line 735) no Hoare annotation was computed. [2018-12-09 13:08:04,713 INFO L448 ceAbstractionStarter]: For program point L733(lines 733 750) no Hoare annotation was computed. [2018-12-09 13:08:04,713 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 729 753) no Hoare annotation was computed. [2018-12-09 13:08:04,713 INFO L444 ceAbstractionStarter]: At program point L748(line 748) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-12-09 13:08:04,713 INFO L448 ceAbstractionStarter]: For program point L748-1(lines 729 753) no Hoare annotation was computed. [2018-12-09 13:08:04,713 INFO L444 ceAbstractionStarter]: At program point L743(line 743) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1) (not (= ~systemActive~0 1)) (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~5) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-09 13:08:04,713 INFO L444 ceAbstractionStarter]: At program point L739(line 739) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-12-09 13:08:04,713 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 465 476) no Hoare annotation was computed. [2018-12-09 13:08:04,713 INFO L448 ceAbstractionStarter]: For program point L469-1(lines 465 476) no Hoare annotation was computed. [2018-12-09 13:08:04,713 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 465 476) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (< |old(~waterLevel~0)| 2) .cse1) (or .cse1 (< |old(~waterLevel~0)| 1) (or (not (= 0 ~pumpRunning~0)) .cse0)))) [2018-12-09 13:08:04,713 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 439) no Hoare annotation was computed. [2018-12-09 13:08:04,713 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 435 442) no Hoare annotation was computed. [2018-12-09 13:08:04,713 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 435 442) the Hoare annotation is: true [2018-12-09 13:08:04,713 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 435 442) no Hoare annotation was computed. [2018-12-09 13:08:04,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 01:08:04 BoogieIcfgContainer [2018-12-09 13:08:04,721 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 13:08:04,721 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 13:08:04,721 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 13:08:04,721 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 13:08:04,721 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:07:57" (3/4) ... [2018-12-09 13:08:04,724 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 13:08:04,728 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-09 13:08:04,728 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-09 13:08:04,728 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-12-09 13:08:04,728 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 13:08:04,728 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-09 13:08:04,728 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-09 13:08:04,728 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-09 13:08:04,728 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-09 13:08:04,728 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-09 13:08:04,728 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-09 13:08:04,728 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-09 13:08:04,728 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-09 13:08:04,728 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-09 13:08:04,728 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-09 13:08:04,728 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-12-09 13:08:04,729 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-09 13:08:04,729 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 13:08:04,729 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-09 13:08:04,729 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-09 13:08:04,729 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-09 13:08:04,729 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-09 13:08:04,729 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-09 13:08:04,729 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-09 13:08:04,729 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-09 13:08:04,729 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-09 13:08:04,729 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-09 13:08:04,729 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-09 13:08:04,729 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 13:08:04,729 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-09 13:08:04,729 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-09 13:08:04,733 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-12-09 13:08:04,734 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-09 13:08:04,734 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-12-09 13:08:04,734 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 13:08:04,734 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 13:08:04,734 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 13:08:04,753 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0 == pumpRunning && 1 <= waterLevel) && systemActive == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || ((2 <= waterLevel && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-12-09 13:08:04,753 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-12-09 13:08:04,784 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_899d4fbb-caf4-44ea-a9ec-4857a4ceb679/bin-2019/uautomizer/witness.graphml [2018-12-09 13:08:04,784 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 13:08:04,785 INFO L168 Benchmark]: Toolchain (without parser) took 7830.57 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 380.6 MB). Free memory was 956.0 MB in the beginning and 1.3 GB in the end (delta: -364.5 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. [2018-12-09 13:08:04,786 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 13:08:04,786 INFO L168 Benchmark]: CACSL2BoogieTranslator took 274.93 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.8 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -140.0 MB). Peak memory consumption was 25.2 MB. Max. memory is 11.5 GB. [2018-12-09 13:08:04,787 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.01 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 13:08:04,787 INFO L168 Benchmark]: Boogie Preprocessor took 21.73 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 13:08:04,787 INFO L168 Benchmark]: RCFGBuilder took 385.90 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 55.0 MB). Peak memory consumption was 55.0 MB. Max. memory is 11.5 GB. [2018-12-09 13:08:04,787 INFO L168 Benchmark]: TraceAbstraction took 7061.29 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 265.8 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -291.7 MB). Peak memory consumption was 523.2 MB. Max. memory is 11.5 GB. [2018-12-09 13:08:04,788 INFO L168 Benchmark]: Witness Printer took 63.60 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 11.5 GB. [2018-12-09 13:08:04,788 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 274.93 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.8 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -140.0 MB). Peak memory consumption was 25.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.01 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.73 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 385.90 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 55.0 MB). Peak memory consumption was 55.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7061.29 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 265.8 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -291.7 MB). Peak memory consumption was 523.2 MB. Max. memory is 11.5 GB. * Witness Printer took 63.60 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 439]: 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: 926]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: ((((((0 == pumpRunning && 1 <= waterLevel) && systemActive == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || ((2 <= waterLevel && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 566]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 160 locations, 1 error locations. SAFE Result, 7.0s OverallTime, 10 OverallIterations, 3 TraceHistogramMax, 3.8s AutomataDifference, 0.0s DeadEndRemovalTime, 1.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 1794 SDtfs, 2849 SDslu, 5769 SDs, 0 SdLazy, 5721 SolverSat, 1707 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 853 GetRequests, 703 SyntacticMatches, 4 SemanticMatches, 146 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1418 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=869occurred in iteration=7, 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, 10 MinimizatonAttempts, 311 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 66 LocationsWithAnnotation, 1525 PreInvPairs, 1575 NumberOfFragments, 1049 HoareAnnotationTreeSize, 1525 FomulaSimplifications, 4644 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 66 FomulaSimplificationsInter, 5157 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1662 NumberOfCodeBlocks, 1662 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1648 ConstructedInterpolants, 0 QuantifiedInterpolants, 351160 SizeOfPredicates, 13 NumberOfNonLiveVariables, 3581 ConjunctsInSsa, 41 ConjunctsInUnsatCore, 14 InterpolantComputations, 9 PerfectInterpolantSequences, 410/442 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...