./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product50_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_f98b7747-ddf6-46a7-ae56-11f0f7aab4bf/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f98b7747-ddf6-46a7-ae56-11f0f7aab4bf/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f98b7747-ddf6-46a7-ae56-11f0f7aab4bf/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f98b7747-ddf6-46a7-ae56-11f0f7aab4bf/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product50_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f98b7747-ddf6-46a7-ae56-11f0f7aab4bf/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f98b7747-ddf6-46a7-ae56-11f0f7aab4bf/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1c36260bdfb38a7ddcc128caab61da79dda5fd60 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 12:36:20,185 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 12:36:20,186 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 12:36:20,192 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 12:36:20,192 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 12:36:20,192 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 12:36:20,193 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 12:36:20,194 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 12:36:20,194 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 12:36:20,195 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 12:36:20,195 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 12:36:20,195 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 12:36:20,196 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 12:36:20,196 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 12:36:20,197 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 12:36:20,197 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 12:36:20,198 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 12:36:20,199 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 12:36:20,200 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 12:36:20,200 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 12:36:20,201 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 12:36:20,201 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 12:36:20,202 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 12:36:20,203 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 12:36:20,203 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 12:36:20,203 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 12:36:20,204 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 12:36:20,204 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 12:36:20,205 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 12:36:20,205 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 12:36:20,205 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 12:36:20,206 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 12:36:20,206 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 12:36:20,206 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 12:36:20,206 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 12:36:20,207 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 12:36:20,207 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f98b7747-ddf6-46a7-ae56-11f0f7aab4bf/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 12:36:20,214 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 12:36:20,214 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 12:36:20,215 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 12:36:20,215 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 12:36:20,215 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 12:36:20,215 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 12:36:20,215 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 12:36:20,215 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 12:36:20,215 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 12:36:20,215 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 12:36:20,216 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 12:36:20,216 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 12:36:20,216 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 12:36:20,216 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 12:36:20,216 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 12:36:20,216 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 12:36:20,216 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 12:36:20,216 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 12:36:20,217 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 12:36:20,217 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 12:36:20,217 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 12:36:20,217 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 12:36:20,217 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 12:36:20,217 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 12:36:20,217 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 12:36:20,217 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 12:36:20,217 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 12:36:20,217 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 12:36:20,217 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 12:36:20,217 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 12:36:20,218 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 12:36:20,218 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 12:36:20,218 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 12:36:20,218 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 12:36:20,218 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 12:36:20,218 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 12:36:20,218 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_f98b7747-ddf6-46a7-ae56-11f0f7aab4bf/bin-2019/utaipan 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 -> Taipan 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 -> 1c36260bdfb38a7ddcc128caab61da79dda5fd60 [2018-12-09 12:36:20,236 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 12:36:20,246 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 12:36:20,248 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 12:36:20,250 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 12:36:20,250 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 12:36:20,250 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f98b7747-ddf6-46a7-ae56-11f0f7aab4bf/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product50_true-unreach-call_false-termination.cil.c [2018-12-09 12:36:20,288 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f98b7747-ddf6-46a7-ae56-11f0f7aab4bf/bin-2019/utaipan/data/544888f94/e1796e8ee27e43449090e4e74a5accf1/FLAGc25b87153 [2018-12-09 12:36:20,664 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 12:36:20,664 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f98b7747-ddf6-46a7-ae56-11f0f7aab4bf/sv-benchmarks/c/product-lines/minepump_spec3_product50_true-unreach-call_false-termination.cil.c [2018-12-09 12:36:20,670 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f98b7747-ddf6-46a7-ae56-11f0f7aab4bf/bin-2019/utaipan/data/544888f94/e1796e8ee27e43449090e4e74a5accf1/FLAGc25b87153 [2018-12-09 12:36:20,678 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f98b7747-ddf6-46a7-ae56-11f0f7aab4bf/bin-2019/utaipan/data/544888f94/e1796e8ee27e43449090e4e74a5accf1 [2018-12-09 12:36:20,680 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 12:36:20,681 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 12:36:20,681 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 12:36:20,681 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 12:36:20,683 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 12:36:20,684 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:36:20" (1/1) ... [2018-12-09 12:36:20,685 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46c0e1c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:36:20, skipping insertion in model container [2018-12-09 12:36:20,685 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:36:20" (1/1) ... [2018-12-09 12:36:20,689 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 12:36:20,710 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 12:36:20,855 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 12:36:20,863 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 12:36:20,940 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 12:36:20,959 INFO L195 MainTranslator]: Completed translation [2018-12-09 12:36:20,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:36:20 WrapperNode [2018-12-09 12:36:20,960 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 12:36:20,960 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 12:36:20,960 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 12:36:20,960 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 12:36:20,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:36:20" (1/1) ... [2018-12-09 12:36:20,974 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:36:20" (1/1) ... [2018-12-09 12:36:20,980 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 12:36:20,980 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 12:36:20,980 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 12:36:20,980 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 12:36:20,986 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:36:20" (1/1) ... [2018-12-09 12:36:20,986 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:36:20" (1/1) ... [2018-12-09 12:36:20,988 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:36:20" (1/1) ... [2018-12-09 12:36:20,988 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:36:20" (1/1) ... [2018-12-09 12:36:20,995 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:36:20" (1/1) ... [2018-12-09 12:36:20,998 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:36:20" (1/1) ... [2018-12-09 12:36:21,000 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:36:20" (1/1) ... [2018-12-09 12:36:21,003 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 12:36:21,003 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 12:36:21,003 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 12:36:21,003 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 12:36:21,004 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:36:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f98b7747-ddf6-46a7-ae56-11f0f7aab4bf/bin-2019/utaipan/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 12:36:21,039 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 12:36:21,039 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 12:36:21,039 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 12:36:21,040 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 12:36:21,040 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-09 12:36:21,040 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-09 12:36:21,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 12:36:21,040 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 12:36:21,040 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 12:36:21,040 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 12:36:21,040 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 12:36:21,040 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-09 12:36:21,040 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-09 12:36:21,040 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 12:36:21,040 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 12:36:21,040 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 12:36:21,040 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 12:36:21,041 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-09 12:36:21,041 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-09 12:36:21,041 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-09 12:36:21,041 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-09 12:36:21,041 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-09 12:36:21,041 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-09 12:36:21,041 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-09 12:36:21,041 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-09 12:36:21,041 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 12:36:21,041 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 12:36:21,041 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 12:36:21,041 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 12:36:21,041 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 12:36:21,041 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 12:36:21,041 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 12:36:21,041 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 12:36:21,042 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 12:36:21,042 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 12:36:21,042 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-09 12:36:21,042 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-09 12:36:21,042 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 12:36:21,042 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 12:36:21,042 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 12:36:21,042 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 12:36:21,042 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 12:36:21,042 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 12:36:21,042 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 12:36:21,042 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 12:36:21,042 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 12:36:21,042 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 12:36:21,042 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 12:36:21,042 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 12:36:21,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 12:36:21,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 12:36:21,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 12:36:21,043 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 12:36:21,043 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 12:36:21,043 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-12-09 12:36:21,043 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-12-09 12:36:21,043 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 12:36:21,043 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 12:36:21,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 12:36:21,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 12:36:21,337 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 12:36:21,338 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 12:36:21,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:36:21 BoogieIcfgContainer [2018-12-09 12:36:21,338 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 12:36:21,339 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 12:36:21,339 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 12:36:21,342 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 12:36:21,342 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 12:36:20" (1/3) ... [2018-12-09 12:36:21,342 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69fef861 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:36:21, skipping insertion in model container [2018-12-09 12:36:21,342 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:36:20" (2/3) ... [2018-12-09 12:36:21,343 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69fef861 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:36:21, skipping insertion in model container [2018-12-09 12:36:21,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:36:21" (3/3) ... [2018-12-09 12:36:21,344 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product50_true-unreach-call_false-termination.cil.c [2018-12-09 12:36:21,352 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 12:36:21,359 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 12:36:21,370 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 12:36:21,394 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 12:36:21,394 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 12:36:21,394 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 12:36:21,394 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 12:36:21,394 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 12:36:21,394 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 12:36:21,394 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 12:36:21,395 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 12:36:21,409 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states. [2018-12-09 12:36:21,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 12:36:21,416 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:36:21,417 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 12:36:21,419 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:36:21,423 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:36:21,423 INFO L82 PathProgramCache]: Analyzing trace with hash -1664615398, now seen corresponding path program 1 times [2018-12-09 12:36:21,425 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:36:21,453 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:36:21,453 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:36:21,453 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:36:21,453 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:36:21,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:36:21,586 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 12:36:21,588 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:36:21,588 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 12:36:21,588 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 12:36:21,591 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 12:36:21,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 12:36:21,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 12:36:21,600 INFO L87 Difference]: Start difference. First operand 151 states. Second operand 2 states. [2018-12-09 12:36:21,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:36:21,629 INFO L93 Difference]: Finished difference Result 276 states and 339 transitions. [2018-12-09 12:36:21,629 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 12:36:21,630 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-12-09 12:36:21,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:36:21,640 INFO L225 Difference]: With dead ends: 276 [2018-12-09 12:36:21,640 INFO L226 Difference]: Without dead ends: 138 [2018-12-09 12:36:21,643 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 12:36:21,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2018-12-09 12:36:21,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2018-12-09 12:36:21,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2018-12-09 12:36:21,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 161 transitions. [2018-12-09 12:36:21,675 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 161 transitions. Word has length 52 [2018-12-09 12:36:21,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:36:21,676 INFO L480 AbstractCegarLoop]: Abstraction has 138 states and 161 transitions. [2018-12-09 12:36:21,676 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 12:36:21,676 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 161 transitions. [2018-12-09 12:36:21,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-09 12:36:21,677 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:36:21,677 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] [2018-12-09 12:36:21,678 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:36:21,678 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:36:21,678 INFO L82 PathProgramCache]: Analyzing trace with hash 163545993, now seen corresponding path program 1 times [2018-12-09 12:36:21,678 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:36:21,679 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:36:21,679 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:36:21,679 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:36:21,679 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:36:21,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:36:21,724 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 12:36:21,724 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:36:21,724 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 12:36:21,724 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 12:36:21,725 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 12:36:21,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 12:36:21,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 12:36:21,726 INFO L87 Difference]: Start difference. First operand 138 states and 161 transitions. Second operand 3 states. [2018-12-09 12:36:21,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:36:21,743 INFO L93 Difference]: Finished difference Result 221 states and 257 transitions. [2018-12-09 12:36:21,743 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 12:36:21,744 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-12-09 12:36:21,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:36:21,745 INFO L225 Difference]: With dead ends: 221 [2018-12-09 12:36:21,745 INFO L226 Difference]: Without dead ends: 129 [2018-12-09 12:36:21,746 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 12:36:21,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2018-12-09 12:36:21,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2018-12-09 12:36:21,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-12-09 12:36:21,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 149 transitions. [2018-12-09 12:36:21,756 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 149 transitions. Word has length 53 [2018-12-09 12:36:21,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:36:21,757 INFO L480 AbstractCegarLoop]: Abstraction has 129 states and 149 transitions. [2018-12-09 12:36:21,757 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 12:36:21,757 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 149 transitions. [2018-12-09 12:36:21,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-09 12:36:21,758 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:36:21,758 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] [2018-12-09 12:36:21,758 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:36:21,758 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:36:21,758 INFO L82 PathProgramCache]: Analyzing trace with hash 1157605667, now seen corresponding path program 1 times [2018-12-09 12:36:21,758 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:36:21,759 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:36:21,759 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:36:21,759 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:36:21,759 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:36:21,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:36:21,836 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 12:36:21,836 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:36:21,837 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 12:36:21,837 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 12:36:21,837 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 12:36:21,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 12:36:21,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 12:36:21,837 INFO L87 Difference]: Start difference. First operand 129 states and 149 transitions. Second operand 7 states. [2018-12-09 12:36:21,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:36:21,993 INFO L93 Difference]: Finished difference Result 234 states and 275 transitions. [2018-12-09 12:36:21,994 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 12:36:21,994 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2018-12-09 12:36:21,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:36:21,995 INFO L225 Difference]: With dead ends: 234 [2018-12-09 12:36:21,995 INFO L226 Difference]: Without dead ends: 129 [2018-12-09 12:36:21,996 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 12:36:21,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2018-12-09 12:36:22,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2018-12-09 12:36:22,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-12-09 12:36:22,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 148 transitions. [2018-12-09 12:36:22,007 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 148 transitions. Word has length 58 [2018-12-09 12:36:22,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:36:22,007 INFO L480 AbstractCegarLoop]: Abstraction has 129 states and 148 transitions. [2018-12-09 12:36:22,007 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 12:36:22,007 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 148 transitions. [2018-12-09 12:36:22,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-09 12:36:22,009 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:36:22,009 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] [2018-12-09 12:36:22,009 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:36:22,010 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:36:22,010 INFO L82 PathProgramCache]: Analyzing trace with hash -175626351, now seen corresponding path program 1 times [2018-12-09 12:36:22,010 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:36:22,011 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:36:22,011 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:36:22,011 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:36:22,011 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:36:22,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:36:22,081 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 12:36:22,081 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:36:22,081 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 12:36:22,081 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 12:36:22,081 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 12:36:22,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 12:36:22,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 12:36:22,082 INFO L87 Difference]: Start difference. First operand 129 states and 148 transitions. Second operand 5 states. [2018-12-09 12:36:22,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:36:22,329 INFO L93 Difference]: Finished difference Result 345 states and 413 transitions. [2018-12-09 12:36:22,329 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 12:36:22,329 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 71 [2018-12-09 12:36:22,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:36:22,330 INFO L225 Difference]: With dead ends: 345 [2018-12-09 12:36:22,331 INFO L226 Difference]: Without dead ends: 240 [2018-12-09 12:36:22,331 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 12:36:22,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2018-12-09 12:36:22,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 221. [2018-12-09 12:36:22,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2018-12-09 12:36:22,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 251 transitions. [2018-12-09 12:36:22,345 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 251 transitions. Word has length 71 [2018-12-09 12:36:22,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:36:22,346 INFO L480 AbstractCegarLoop]: Abstraction has 221 states and 251 transitions. [2018-12-09 12:36:22,346 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 12:36:22,346 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 251 transitions. [2018-12-09 12:36:22,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-12-09 12:36:22,347 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:36:22,347 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 12:36:22,347 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:36:22,347 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:36:22,347 INFO L82 PathProgramCache]: Analyzing trace with hash 293779646, now seen corresponding path program 1 times [2018-12-09 12:36:22,347 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:36:22,348 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:36:22,348 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:36:22,348 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:36:22,348 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:36:22,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:36:22,409 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 12:36:22,409 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:36:22,409 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 12:36:22,409 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 12:36:22,409 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 12:36:22,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 12:36:22,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 12:36:22,410 INFO L87 Difference]: Start difference. First operand 221 states and 251 transitions. Second operand 6 states. [2018-12-09 12:36:22,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:36:22,515 INFO L93 Difference]: Finished difference Result 538 states and 643 transitions. [2018-12-09 12:36:22,515 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 12:36:22,516 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 85 [2018-12-09 12:36:22,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:36:22,518 INFO L225 Difference]: With dead ends: 538 [2018-12-09 12:36:22,518 INFO L226 Difference]: Without dead ends: 341 [2018-12-09 12:36:22,519 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 12:36:22,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2018-12-09 12:36:22,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 337. [2018-12-09 12:36:22,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 337 states. [2018-12-09 12:36:22,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 389 transitions. [2018-12-09 12:36:22,548 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 389 transitions. Word has length 85 [2018-12-09 12:36:22,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:36:22,548 INFO L480 AbstractCegarLoop]: Abstraction has 337 states and 389 transitions. [2018-12-09 12:36:22,548 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 12:36:22,549 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 389 transitions. [2018-12-09 12:36:22,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-09 12:36:22,550 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:36:22,550 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 12:36:22,550 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:36:22,551 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:36:22,551 INFO L82 PathProgramCache]: Analyzing trace with hash 298673348, now seen corresponding path program 1 times [2018-12-09 12:36:22,551 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:36:22,552 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:36:22,552 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:36:22,552 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:36:22,552 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:36:22,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:36:22,641 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 12:36:22,641 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:36:22,641 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 12:36:22,641 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 12:36:22,642 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 12:36:22,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 12:36:22,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 12:36:22,642 INFO L87 Difference]: Start difference. First operand 337 states and 389 transitions. Second operand 6 states. [2018-12-09 12:36:22,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:36:22,774 INFO L93 Difference]: Finished difference Result 726 states and 872 transitions. [2018-12-09 12:36:22,774 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 12:36:22,774 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2018-12-09 12:36:22,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:36:22,777 INFO L225 Difference]: With dead ends: 726 [2018-12-09 12:36:22,778 INFO L226 Difference]: Without dead ends: 529 [2018-12-09 12:36:22,779 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 12:36:22,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2018-12-09 12:36:22,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 511. [2018-12-09 12:36:22,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 511 states. [2018-12-09 12:36:22,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 603 transitions. [2018-12-09 12:36:22,805 INFO L78 Accepts]: Start accepts. Automaton has 511 states and 603 transitions. Word has length 89 [2018-12-09 12:36:22,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:36:22,806 INFO L480 AbstractCegarLoop]: Abstraction has 511 states and 603 transitions. [2018-12-09 12:36:22,806 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 12:36:22,806 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 603 transitions. [2018-12-09 12:36:22,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-09 12:36:22,807 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:36:22,807 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 12:36:22,808 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:36:22,808 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:36:22,808 INFO L82 PathProgramCache]: Analyzing trace with hash -624010235, now seen corresponding path program 1 times [2018-12-09 12:36:22,808 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:36:22,809 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:36:22,809 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:36:22,809 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:36:22,809 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:36:22,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:36:22,861 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 12:36:22,861 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:36:22,861 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 12:36:22,861 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 12:36:22,862 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 12:36:22,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 12:36:22,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 12:36:22,862 INFO L87 Difference]: Start difference. First operand 511 states and 603 transitions. Second operand 5 states. [2018-12-09 12:36:22,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:36:22,882 INFO L93 Difference]: Finished difference Result 892 states and 1074 transitions. [2018-12-09 12:36:22,883 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-09 12:36:22,883 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 89 [2018-12-09 12:36:22,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:36:22,884 INFO L225 Difference]: With dead ends: 892 [2018-12-09 12:36:22,884 INFO L226 Difference]: Without dead ends: 521 [2018-12-09 12:36:22,885 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 12:36:22,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states. [2018-12-09 12:36:22,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 515. [2018-12-09 12:36:22,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 515 states. [2018-12-09 12:36:22,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 606 transitions. [2018-12-09 12:36:22,902 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 606 transitions. Word has length 89 [2018-12-09 12:36:22,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:36:22,902 INFO L480 AbstractCegarLoop]: Abstraction has 515 states and 606 transitions. [2018-12-09 12:36:22,902 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 12:36:22,902 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 606 transitions. [2018-12-09 12:36:22,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-09 12:36:22,903 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:36:22,903 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 12:36:22,903 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:36:22,903 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:36:22,903 INFO L82 PathProgramCache]: Analyzing trace with hash -1468015737, now seen corresponding path program 1 times [2018-12-09 12:36:22,903 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:36:22,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:36:22,904 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:36:22,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:36:22,904 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:36:22,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:36:22,965 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 12:36:22,966 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:36:22,966 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-09 12:36:22,966 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 12:36:22,966 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 12:36:22,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 12:36:22,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-09 12:36:22,966 INFO L87 Difference]: Start difference. First operand 515 states and 606 transitions. Second operand 9 states. [2018-12-09 12:36:23,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:36:23,002 INFO L93 Difference]: Finished difference Result 1012 states and 1214 transitions. [2018-12-09 12:36:23,002 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 12:36:23,002 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 89 [2018-12-09 12:36:23,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:36:23,004 INFO L225 Difference]: With dead ends: 1012 [2018-12-09 12:36:23,004 INFO L226 Difference]: Without dead ends: 521 [2018-12-09 12:36:23,005 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-12-09 12:36:23,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states. [2018-12-09 12:36:23,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 515. [2018-12-09 12:36:23,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 515 states. [2018-12-09 12:36:23,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 604 transitions. [2018-12-09 12:36:23,021 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 604 transitions. Word has length 89 [2018-12-09 12:36:23,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:36:23,021 INFO L480 AbstractCegarLoop]: Abstraction has 515 states and 604 transitions. [2018-12-09 12:36:23,021 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 12:36:23,021 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 604 transitions. [2018-12-09 12:36:23,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-09 12:36:23,023 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:36:23,023 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 12:36:23,023 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:36:23,023 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:36:23,024 INFO L82 PathProgramCache]: Analyzing trace with hash -2075112032, now seen corresponding path program 1 times [2018-12-09 12:36:23,024 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:36:23,024 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:36:23,024 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:36:23,024 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:36:23,025 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:36:23,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:36:23,107 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 12:36:23,107 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:36:23,107 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-09 12:36:23,107 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 12:36:23,108 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 12:36:23,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 12:36:23,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-09 12:36:23,108 INFO L87 Difference]: Start difference. First operand 515 states and 604 transitions. Second operand 10 states. [2018-12-09 12:36:23,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:36:23,220 INFO L93 Difference]: Finished difference Result 1012 states and 1190 transitions. [2018-12-09 12:36:23,221 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-09 12:36:23,221 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 90 [2018-12-09 12:36:23,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:36:23,223 INFO L225 Difference]: With dead ends: 1012 [2018-12-09 12:36:23,223 INFO L226 Difference]: Without dead ends: 521 [2018-12-09 12:36:23,225 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-12-09 12:36:23,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states. [2018-12-09 12:36:23,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 500. [2018-12-09 12:36:23,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 500 states. [2018-12-09 12:36:23,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 569 transitions. [2018-12-09 12:36:23,246 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 569 transitions. Word has length 90 [2018-12-09 12:36:23,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:36:23,246 INFO L480 AbstractCegarLoop]: Abstraction has 500 states and 569 transitions. [2018-12-09 12:36:23,246 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 12:36:23,247 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 569 transitions. [2018-12-09 12:36:23,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-12-09 12:36:23,249 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:36:23,249 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:36:23,249 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:36:23,249 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:36:23,249 INFO L82 PathProgramCache]: Analyzing trace with hash -270038364, now seen corresponding path program 1 times [2018-12-09 12:36:23,249 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:36:23,250 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:36:23,250 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:36:23,250 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:36:23,250 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:36:23,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:36:23,309 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 12:36:23,309 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 12:36:23,309 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 12:36:23,310 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 141 with the following transitions: [2018-12-09 12:36:23,311 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [25], [29], [30], [31], [34], [35], [36], [39], [41], [44], [51], [54], [55], [58], [60], [62], [71], [75], [79], [82], [85], [87], [93], [95], [101], [104], [114], [115], [116], [117], [118], [119], [120], [122], [125], [129], [130], [131], [132], [142], [145], [149], [155], [182], [183], [184], [186], [189], [191], [193], [196], [198], [203], [209], [212], [216], [217], [221], [224], [226], [229], [239], [244], [248], [249], [252], [253], [254], [255], [256], [257], [258], [259], [260], [262], [263], [264], [266], [267], [268], [269], [272], [273], [274], [275], [280], [281], [284], [285], [286], [287], [288], [289], [290], [291], [296], [297], [298], [299], [300], [301], [302], [304], [305], [306], [308], [309], [310], [311] [2018-12-09 12:36:23,339 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 12:36:23,339 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 12:36:23,782 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 12:36:23,783 INFO L272 AbstractInterpreter]: Visited 63 different actions 93 times. Merged at 6 different actions 6 times. Never widened. Performed 4682 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4682 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 133 variables. [2018-12-09 12:36:23,791 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:36:23,791 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 12:36:24,048 INFO L227 lantSequenceWeakener]: Weakened 73 states. On average, predicates are now at 96.4% of their original sizes. [2018-12-09 12:36:24,048 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 12:36:24,163 INFO L418 sIntCurrentIteration]: We unified 139 AI predicates to 139 [2018-12-09 12:36:24,163 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 12:36:24,164 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 12:36:24,164 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [6] total 23 [2018-12-09 12:36:24,164 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 12:36:24,164 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-09 12:36:24,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-09 12:36:24,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=272, Unknown=0, NotChecked=0, Total=342 [2018-12-09 12:36:24,165 INFO L87 Difference]: Start difference. First operand 500 states and 569 transitions. Second operand 19 states. [2018-12-09 12:36:26,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:36:26,499 INFO L93 Difference]: Finished difference Result 1132 states and 1317 transitions. [2018-12-09 12:36:26,499 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-09 12:36:26,499 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 140 [2018-12-09 12:36:26,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:36:26,501 INFO L225 Difference]: With dead ends: 1132 [2018-12-09 12:36:26,501 INFO L226 Difference]: Without dead ends: 656 [2018-12-09 12:36:26,502 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 147 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=132, Invalid=570, Unknown=0, NotChecked=0, Total=702 [2018-12-09 12:36:26,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 656 states. [2018-12-09 12:36:26,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 656 to 645. [2018-12-09 12:36:26,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 645 states. [2018-12-09 12:36:26,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 730 transitions. [2018-12-09 12:36:26,521 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 730 transitions. Word has length 140 [2018-12-09 12:36:26,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:36:26,521 INFO L480 AbstractCegarLoop]: Abstraction has 645 states and 730 transitions. [2018-12-09 12:36:26,521 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-09 12:36:26,521 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 730 transitions. [2018-12-09 12:36:26,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-12-09 12:36:26,523 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:36:26,523 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:36:26,523 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:36:26,524 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:36:26,524 INFO L82 PathProgramCache]: Analyzing trace with hash -1290081535, now seen corresponding path program 1 times [2018-12-09 12:36:26,524 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:36:26,524 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:36:26,524 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:36:26,525 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:36:26,525 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:36:26,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:36:26,575 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-09 12:36:26,575 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 12:36:26,575 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 12:36:26,575 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 141 with the following transitions: [2018-12-09 12:36:26,576 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [25], [29], [30], [31], [34], [35], [36], [39], [41], [44], [51], [54], [55], [59], [60], [62], [71], [75], [79], [82], [85], [87], [93], [95], [101], [104], [114], [115], [116], [117], [118], [119], [120], [122], [127], [129], [130], [131], [132], [142], [145], [149], [155], [182], [183], [184], [186], [189], [191], [193], [196], [198], [203], [209], [212], [216], [217], [221], [224], [226], [229], [239], [244], [248], [249], [252], [253], [254], [255], [256], [257], [258], [259], [260], [262], [263], [264], [266], [267], [268], [269], [272], [273], [274], [275], [280], [281], [284], [285], [286], [287], [288], [289], [290], [291], [296], [297], [298], [299], [300], [301], [302], [304], [305], [306], [308], [309], [310], [311] [2018-12-09 12:36:26,578 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 12:36:26,578 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 12:36:27,021 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 12:36:27,021 INFO L272 AbstractInterpreter]: Visited 115 different actions 352 times. Merged at 14 different actions 27 times. Never widened. Performed 12566 root evaluator evaluations with a maximum evaluation depth of 5. Performed 12566 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 4 fixpoints after 2 different actions. Largest state had 133 variables. [2018-12-09 12:36:27,023 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:36:27,024 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 12:36:27,024 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 12:36:27,024 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f98b7747-ddf6-46a7-ae56-11f0f7aab4bf/bin-2019/utaipan/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 12:36:27,031 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:36:27,031 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 12:36:27,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:36:27,113 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 12:36:27,242 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 12:36:27,243 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 12:36:27,467 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 12:36:27,487 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 12:36:27,487 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10, 11] total 20 [2018-12-09 12:36:27,487 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 12:36:27,487 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-09 12:36:27,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-09 12:36:27,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=313, Unknown=0, NotChecked=0, Total=380 [2018-12-09 12:36:27,488 INFO L87 Difference]: Start difference. First operand 645 states and 730 transitions. Second operand 15 states. [2018-12-09 12:36:28,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:36:28,937 INFO L93 Difference]: Finished difference Result 2079 states and 2851 transitions. [2018-12-09 12:36:28,938 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-12-09 12:36:28,938 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 140 [2018-12-09 12:36:28,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:36:28,938 INFO L225 Difference]: With dead ends: 2079 [2018-12-09 12:36:28,938 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 12:36:28,941 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 329 GetRequests, 270 SyntacticMatches, 12 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 514 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=484, Invalid=1868, Unknown=0, NotChecked=0, Total=2352 [2018-12-09 12:36:28,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 12:36:28,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 12:36:28,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 12:36:28,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 12:36:28,942 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 140 [2018-12-09 12:36:28,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:36:28,942 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 12:36:28,942 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-09 12:36:28,942 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 12:36:28,942 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 12:36:28,945 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 12:36:28,992 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:36:28,994 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:36:28,996 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:36:28,997 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:36:28,999 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:36:28,999 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:36:29,000 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:36:29,000 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:36:29,001 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:36:29,001 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:36:29,002 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:36:29,003 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:36:29,188 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:36:29,190 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:36:29,191 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:36:29,192 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:36:29,193 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:36:29,194 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:36:29,194 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:36:29,195 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:36:29,195 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:36:29,196 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:36:29,197 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:36:29,198 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:36:29,232 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:36:29,234 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:36:29,235 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:36:29,236 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:36:29,237 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:36:29,238 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:36:29,238 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:36:29,239 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:36:29,239 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:36:29,240 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:36:29,241 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:36:29,242 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:36:29,290 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:36:29,291 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:36:29,291 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:36:29,292 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:36:29,292 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:36:29,293 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:36:29,293 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:36:29,294 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:36:29,299 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:36:29,300 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:36:29,300 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:36:29,301 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:36:29,301 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:36:29,302 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:36:29,303 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:36:29,303 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:36:29,998 WARN L180 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 45 [2018-12-09 12:36:30,489 WARN L180 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 37 [2018-12-09 12:36:31,306 WARN L180 SmtUtils]: Spent 814.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 52 [2018-12-09 12:36:31,464 WARN L180 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 27 [2018-12-09 12:36:31,690 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 37 [2018-12-09 12:36:32,102 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 38 [2018-12-09 12:36:32,487 WARN L180 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 40 [2018-12-09 12:36:32,496 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 673 679) the Hoare annotation is: true [2018-12-09 12:36:32,497 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 673 679) no Hoare annotation was computed. [2018-12-09 12:36:32,497 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 680 688) no Hoare annotation was computed. [2018-12-09 12:36:32,497 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 680 688) the Hoare annotation is: true [2018-12-09 12:36:32,497 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 680 688) no Hoare annotation was computed. [2018-12-09 12:36:32,497 INFO L448 ceAbstractionStarter]: For program point L641(lines 641 648) no Hoare annotation was computed. [2018-12-09 12:36:32,497 INFO L448 ceAbstractionStarter]: For program point L641-1(lines 641 648) no Hoare annotation was computed. [2018-12-09 12:36:32,497 INFO L448 ceAbstractionStarter]: For program point L639(line 639) no Hoare annotation was computed. [2018-12-09 12:36:32,497 INFO L444 ceAbstractionStarter]: At program point L638(line 638) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 12:36:32,497 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 631 653) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 12:36:32,497 INFO L444 ceAbstractionStarter]: At program point L637(line 637) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 12:36:32,497 INFO L444 ceAbstractionStarter]: At program point L637-1(line 637) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 12:36:32,498 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 631 653) no Hoare annotation was computed. [2018-12-09 12:36:32,498 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 631 653) no Hoare annotation was computed. [2018-12-09 12:36:32,498 INFO L444 ceAbstractionStarter]: At program point L643(line 643) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~methaneLevelCritical~0 0) (= main_~tmp~4 ~systemActive~0) (= main_~tmp~4 1) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-09 12:36:32,498 INFO L444 ceAbstractionStarter]: At program point L643-1(line 643) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~methaneLevelCritical~0 0) (= main_~tmp~4 ~systemActive~0) (= main_~tmp~4 1) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-09 12:36:32,498 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 882 890) no Hoare annotation was computed. [2018-12-09 12:36:32,498 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 882 890) the Hoare annotation is: true [2018-12-09 12:36:32,498 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 882 890) no Hoare annotation was computed. [2018-12-09 12:36:32,498 INFO L448 ceAbstractionStarter]: For program point L955(lines 955 959) no Hoare annotation was computed. [2018-12-09 12:36:32,498 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 946 964) the Hoare annotation is: true [2018-12-09 12:36:32,498 INFO L451 ceAbstractionStarter]: At program point L953(line 953) the Hoare annotation is: true [2018-12-09 12:36:32,498 INFO L448 ceAbstractionStarter]: For program point L955-2(lines 955 959) no Hoare annotation was computed. [2018-12-09 12:36:32,498 INFO L448 ceAbstractionStarter]: For program point L953-1(line 953) no Hoare annotation was computed. [2018-12-09 12:36:32,498 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 946 964) no Hoare annotation was computed. [2018-12-09 12:36:32,499 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 946 964) no Hoare annotation was computed. [2018-12-09 12:36:32,499 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 666 672) no Hoare annotation was computed. [2018-12-09 12:36:32,499 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 666 672) the Hoare annotation is: true [2018-12-09 12:36:32,499 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 618 627) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 12:36:32,499 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 618 627) no Hoare annotation was computed. [2018-12-09 12:36:32,499 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 618 627) no Hoare annotation was computed. [2018-12-09 12:36:32,499 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 863 870) the Hoare annotation is: (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-09 12:36:32,499 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 863 870) no Hoare annotation was computed. [2018-12-09 12:36:32,499 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 863 870) no Hoare annotation was computed. [2018-12-09 12:36:32,499 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 830 854) no Hoare annotation was computed. [2018-12-09 12:36:32,499 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 830 854) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse1) (or (< 1 ~waterLevel~0) .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1))) [2018-12-09 12:36:32,499 INFO L444 ceAbstractionStarter]: At program point L849(line 849) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0))) [2018-12-09 12:36:32,499 INFO L448 ceAbstractionStarter]: For program point L849-1(lines 830 854) no Hoare annotation was computed. [2018-12-09 12:36:32,500 INFO L444 ceAbstractionStarter]: At program point L844(line 844) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-12-09 12:36:32,500 INFO L444 ceAbstractionStarter]: At program point L840(line 840) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-12-09 12:36:32,500 INFO L448 ceAbstractionStarter]: For program point L838(lines 838 846) no Hoare annotation was computed. [2018-12-09 12:36:32,500 INFO L444 ceAbstractionStarter]: At program point L836(line 836) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-12-09 12:36:32,500 INFO L448 ceAbstractionStarter]: For program point L836-1(line 836) no Hoare annotation was computed. [2018-12-09 12:36:32,500 INFO L448 ceAbstractionStarter]: For program point L834(lines 834 851) no Hoare annotation was computed. [2018-12-09 12:36:32,500 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 529 542) no Hoare annotation was computed. [2018-12-09 12:36:32,500 INFO L448 ceAbstractionStarter]: For program point L533(lines 533 539) no Hoare annotation was computed. [2018-12-09 12:36:32,500 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 529 542) the Hoare annotation is: true [2018-12-09 12:36:32,500 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 529 542) no Hoare annotation was computed. [2018-12-09 12:36:32,500 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 796 802) no Hoare annotation was computed. [2018-12-09 12:36:32,500 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 796 802) the Hoare annotation is: true [2018-12-09 12:36:32,500 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 700 765) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 12:36:32,500 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 700 765) no Hoare annotation was computed. [2018-12-09 12:36:32,501 INFO L444 ceAbstractionStarter]: At program point L758(lines 709 759) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 12:36:32,501 INFO L448 ceAbstractionStarter]: For program point L748(lines 748 752) no Hoare annotation was computed. [2018-12-09 12:36:32,501 INFO L444 ceAbstractionStarter]: At program point L748-2(lines 740 753) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 12:36:32,501 INFO L448 ceAbstractionStarter]: For program point L711(lines 710 757) no Hoare annotation was computed. [2018-12-09 12:36:32,501 INFO L444 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 12:36:32,501 INFO L448 ceAbstractionStarter]: For program point L740(lines 740 753) no Hoare annotation was computed. [2018-12-09 12:36:32,501 INFO L444 ceAbstractionStarter]: At program point L732(line 732) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 12:36:32,501 INFO L448 ceAbstractionStarter]: For program point L730(lines 730 736) no Hoare annotation was computed. [2018-12-09 12:36:32,501 INFO L448 ceAbstractionStarter]: For program point L730-1(lines 730 736) no Hoare annotation was computed. [2018-12-09 12:36:32,501 INFO L444 ceAbstractionStarter]: At program point L755(lines 710 757) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 1) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 12:36:32,501 INFO L444 ceAbstractionStarter]: At program point L722(line 722) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 1) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 12:36:32,502 INFO L448 ceAbstractionStarter]: For program point L720(lines 720 726) no Hoare annotation was computed. [2018-12-09 12:36:32,502 INFO L448 ceAbstractionStarter]: For program point L720-1(lines 720 726) no Hoare annotation was computed. [2018-12-09 12:36:32,502 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 716) no Hoare annotation was computed. [2018-12-09 12:36:32,502 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 700 765) no Hoare annotation was computed. [2018-12-09 12:36:32,502 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 543 551) no Hoare annotation was computed. [2018-12-09 12:36:32,502 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 543 551) the Hoare annotation is: true [2018-12-09 12:36:32,502 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 543 551) no Hoare annotation was computed. [2018-12-09 12:36:32,502 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 12:36:32,502 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 12:36:32,502 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 12:36:32,502 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 855 862) no Hoare annotation was computed. [2018-12-09 12:36:32,502 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 855 862) no Hoare annotation was computed. [2018-12-09 12:36:32,502 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 855 862) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< 2 ~waterLevel~0) (not (= ~systemActive~0 1))) [2018-12-09 12:36:32,502 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 927 945) no Hoare annotation was computed. [2018-12-09 12:36:32,502 INFO L448 ceAbstractionStarter]: For program point L936(lines 936 940) no Hoare annotation was computed. [2018-12-09 12:36:32,502 INFO L451 ceAbstractionStarter]: At program point L934(line 934) the Hoare annotation is: true [2018-12-09 12:36:32,503 INFO L448 ceAbstractionStarter]: For program point L936-2(lines 936 940) no Hoare annotation was computed. [2018-12-09 12:36:32,503 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 927 945) the Hoare annotation is: true [2018-12-09 12:36:32,503 INFO L448 ceAbstractionStarter]: For program point L934-1(line 934) no Hoare annotation was computed. [2018-12-09 12:36:32,503 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 927 945) no Hoare annotation was computed. [2018-12-09 12:36:32,503 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 520 528) the Hoare annotation is: true [2018-12-09 12:36:32,503 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 520 528) no Hoare annotation was computed. [2018-12-09 12:36:32,503 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 520 528) no Hoare annotation was computed. [2018-12-09 12:36:32,503 INFO L448 ceAbstractionStarter]: For program point L480-1(lines 476 487) no Hoare annotation was computed. [2018-12-09 12:36:32,503 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 476 487) the Hoare annotation is: (let ((.cse2 (= |old(~methaneLevelCritical~0)| 0)) (.cse4 (not (= ~systemActive~0 1))) (.cse5 (= 0 ~methaneLevelCritical~0))) (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (not .cse5)) (.cse7 (or (not (= 1 ~pumpRunning~0)) .cse4)) (.cse3 (< 2 ~waterLevel~0)) (.cse6 (not .cse2))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse3 .cse4 .cse6) (or .cse7 .cse2 .cse3 .cse0) (or (= ~methaneLevelCritical~0 0) .cse7 .cse3 .cse6)))) [2018-12-09 12:36:32,503 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 476 487) no Hoare annotation was computed. [2018-12-09 12:36:32,503 INFO L444 ceAbstractionStarter]: At program point L785(line 785) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse5 (< 2 |old(~waterLevel~0)|)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~waterLevel~0)| 1)))) (and (or (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) (or .cse0 .cse1 .cse2)) (or .cse3 .cse4 .cse5 .cse1) (or (and .cse6 (<= ~waterLevel~0 1) .cse3) (or .cse0 .cse1) .cse5) (or .cse4 .cse6 .cse5 .cse1) (or .cse4 (= ~waterLevel~0 2) .cse1 (not (= ~methaneLevelCritical~0 0)) (not (= |old(~waterLevel~0)| 2))) (or .cse4 .cse1 (= 1 ~waterLevel~0) .cse2))) [2018-12-09 12:36:32,504 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 772 795) the Hoare annotation is: (let ((.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1)))) (let ((.cse8 (= ~waterLevel~0 2)) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (= |old(~waterLevel~0)| 2))) (.cse11 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (or .cse3 .cse4)) (.cse2 (and (<= ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse1 (< 2 |old(~waterLevel~0)|)) (.cse10 (not (= 0 |old(~pumpRunning~0)|))) (.cse9 (= 1 ~waterLevel~0)) (.cse5 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2) (or (and (or .cse3 .cse4 .cse5) (or (or .cse6 .cse7) .cse0)) (or .cse8 .cse9)) (or .cse10 .cse11 .cse1 .cse4) (or .cse10 .cse8 .cse4 .cse6 .cse7) (or .cse11 (< 1 |old(~waterLevel~0)|) .cse0) (or .cse2 .cse10 .cse1 .cse4) (or .cse10 .cse4 .cse9 .cse5)))) [2018-12-09 12:36:32,504 INFO L444 ceAbstractionStarter]: At program point L783(lines 783 789) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 1)) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse6 (<= ~waterLevel~0 1)) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (< 2 |old(~waterLevel~0)|)) (.cse9 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~waterLevel~0)| 1)))) (and (or (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) (or .cse0 .cse1 .cse2)) (or .cse3 (and (<= ~waterLevel~0 2) .cse4) .cse5 (and .cse6 .cse7) .cse1) (or .cse3 .cse1 .cse7 .cse2 .cse8) (or .cse3 (and .cse4 (or (= ~waterLevel~0 2) (= ~waterLevel~0 1))) .cse1 .cse8 (not (= |old(~waterLevel~0)| 2))) (or (and .cse9 (= 0 ~pumpRunning~0) .cse6) (and .cse9 .cse6 .cse7) (or .cse0 .cse1) .cse5) (or (< 1 |old(~waterLevel~0)|) .cse3 .cse9 .cse1) (or (= 1 ~waterLevel~0) .cse3 .cse1 .cse2))) [2018-12-09 12:36:32,504 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 772 795) no Hoare annotation was computed. [2018-12-09 12:36:32,504 INFO L444 ceAbstractionStarter]: At program point L778(line 778) the Hoare annotation is: (let ((.cse0 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (let ((.cse2 (or .cse0 .cse1)) (.cse3 (< 2 |old(~waterLevel~0)|))) (and (or (and (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or (or (not (= ~methaneLevelCritical~0 0)) (not (= |old(~waterLevel~0)| 2))) .cse2)) (or (= 1 ~waterLevel~0) (= ~waterLevel~0 2))) (or (not (= 0 |old(~pumpRunning~0)|)) .cse3 .cse1) (or (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse2 .cse3)))) [2018-12-09 12:36:32,504 INFO L448 ceAbstractionStarter]: For program point L776(lines 775 794) no Hoare annotation was computed. [2018-12-09 12:36:32,504 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 772 795) no Hoare annotation was computed. [2018-12-09 12:36:32,504 INFO L448 ceAbstractionStarter]: For program point L576(line 576) no Hoare annotation was computed. [2018-12-09 12:36:32,504 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 555 584) no Hoare annotation was computed. [2018-12-09 12:36:32,504 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 555 584) the Hoare annotation is: true [2018-12-09 12:36:32,504 INFO L448 ceAbstractionStarter]: For program point L569(lines 569 573) no Hoare annotation was computed. [2018-12-09 12:36:32,504 INFO L451 ceAbstractionStarter]: At program point L569-1(lines 569 573) the Hoare annotation is: true [2018-12-09 12:36:32,504 INFO L448 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-12-09 12:36:32,505 INFO L451 ceAbstractionStarter]: At program point L565-2(lines 565 579) the Hoare annotation is: true [2018-12-09 12:36:32,505 INFO L451 ceAbstractionStarter]: At program point L561(line 561) the Hoare annotation is: true [2018-12-09 12:36:32,505 INFO L448 ceAbstractionStarter]: For program point L561-1(line 561) no Hoare annotation was computed. [2018-12-09 12:36:32,505 INFO L451 ceAbstractionStarter]: At program point L580(lines 555 584) the Hoare annotation is: true [2018-12-09 12:36:32,505 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 488 496) the Hoare annotation is: true [2018-12-09 12:36:32,505 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 488 496) no Hoare annotation was computed. [2018-12-09 12:36:32,505 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 488 496) no Hoare annotation was computed. [2018-12-09 12:36:32,505 INFO L451 ceAbstractionStarter]: At program point L417(line 417) the Hoare annotation is: true [2018-12-09 12:36:32,505 INFO L448 ceAbstractionStarter]: For program point L417-1(line 417) no Hoare annotation was computed. [2018-12-09 12:36:32,505 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 410 442) no Hoare annotation was computed. [2018-12-09 12:36:32,505 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 410 442) the Hoare annotation is: true [2018-12-09 12:36:32,505 INFO L444 ceAbstractionStarter]: At program point L433(line 433) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) .cse0) (or (< 2 ~waterLevel~0) (not (= 1 ~pumpRunning~0)) .cse0))) [2018-12-09 12:36:32,505 INFO L448 ceAbstractionStarter]: For program point L429(lines 429 435) no Hoare annotation was computed. [2018-12-09 12:36:32,505 INFO L444 ceAbstractionStarter]: At program point L427(line 427) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse2 (< 2 ~waterLevel~0)) (.cse3 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1) (or (= __utac_acc__Specification3_spec__1_~tmp~3 ~methaneLevelCritical~0) .cse2 .cse3 .cse1) (or .cse0 .cse3 .cse1) (or (= ~methaneLevelCritical~0 0) .cse2 .cse3 .cse1))) [2018-12-09 12:36:32,506 INFO L448 ceAbstractionStarter]: For program point L427-1(line 427) no Hoare annotation was computed. [2018-12-09 12:36:32,506 INFO L448 ceAbstractionStarter]: For program point L425(lines 425 438) no Hoare annotation was computed. [2018-12-09 12:36:32,506 INFO L448 ceAbstractionStarter]: For program point L425-1(lines 410 442) no Hoare annotation was computed. [2018-12-09 12:36:32,506 INFO L444 ceAbstractionStarter]: At program point L423(line 423) the Hoare annotation is: (let ((.cse0 (= __utac_acc__Specification3_spec__1_~tmp~3 ~methaneLevelCritical~0)) (.cse1 (< 1 ~waterLevel~0)) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse4 (< 2 ~waterLevel~0)) (.cse5 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse3) (or .cse1 .cse2 .cse6 .cse3) (or .cse6 .cse4 .cse5 .cse3))) [2018-12-09 12:36:32,506 INFO L448 ceAbstractionStarter]: For program point L423-1(line 423) no Hoare annotation was computed. [2018-12-09 12:36:32,506 INFO L448 ceAbstractionStarter]: For program point L419(lines 419 439) no Hoare annotation was computed. [2018-12-09 12:36:32,506 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 452 463) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (= 1 ~pumpRunning~0))) (.cse1 (or (= ~pumpRunning~0 0) .cse2))) (and (or (or (= 1 ~waterLevel~0) (= ~waterLevel~0 2)) (and (or (or (not (= ~methaneLevelCritical~0 0)) (not (= |old(~waterLevel~0)| 2))) .cse0 .cse1) (or .cse0 .cse2 (not (= |old(~waterLevel~0)| 1))))) (or (< 1 |old(~waterLevel~0)|) (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse0 .cse1) (or (< 2 |old(~waterLevel~0)|) .cse0 (<= ~waterLevel~0 2) .cse1)))) [2018-12-09 12:36:32,506 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 452 463) no Hoare annotation was computed. [2018-12-09 12:36:32,506 INFO L448 ceAbstractionStarter]: For program point L456-1(lines 452 463) no Hoare annotation was computed. [2018-12-09 12:36:32,506 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 610 616) no Hoare annotation was computed. [2018-12-09 12:36:32,506 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 610 616) the Hoare annotation is: true [2018-12-09 12:36:32,506 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 12:36:32,506 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-09 12:36:32,506 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 12:36:32,507 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 12:36:32,507 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 804 828) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse1) (or (< 1 ~waterLevel~0) .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1))) [2018-12-09 12:36:32,507 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 804 828) no Hoare annotation was computed. [2018-12-09 12:36:32,507 INFO L444 ceAbstractionStarter]: At program point L823(line 823) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-12-09 12:36:32,507 INFO L448 ceAbstractionStarter]: For program point L823-1(lines 804 828) no Hoare annotation was computed. [2018-12-09 12:36:32,507 INFO L444 ceAbstractionStarter]: At program point L818(line 818) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or .cse1 (= processEnvironment__wrappee__highWaterSensor_~tmp~6 0) .cse0 (not (= ~waterLevel~0 1)) (not (= ~methaneLevelCritical~0 0))) (or .cse1 (< 2 ~waterLevel~0) .cse0 (and (<= ~waterLevel~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-12-09 12:36:32,507 INFO L444 ceAbstractionStarter]: At program point L814(line 814) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0) (< 2 ~waterLevel~0) .cse1) (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1)) (not (= ~methaneLevelCritical~0 0))) (or .cse0 (= processEnvironment__wrappee__highWaterSensor_~tmp~6 1) .cse1 (not (= ~waterLevel~0 2))))) [2018-12-09 12:36:32,507 INFO L448 ceAbstractionStarter]: For program point L812(lines 812 820) no Hoare annotation was computed. [2018-12-09 12:36:32,507 INFO L444 ceAbstractionStarter]: At program point L810(line 810) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0))) [2018-12-09 12:36:32,507 INFO L448 ceAbstractionStarter]: For program point L810-1(line 810) no Hoare annotation was computed. [2018-12-09 12:36:32,507 INFO L448 ceAbstractionStarter]: For program point L808(lines 808 825) no Hoare annotation was computed. [2018-12-09 12:36:32,507 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 965 972) no Hoare annotation was computed. [2018-12-09 12:36:32,508 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 965 972) the Hoare annotation is: (let ((.cse2 (not (= |old(~systemActive~0)| 1))) (.cse0 (= ~systemActive~0 1)) (.cse1 (< 2 ~waterLevel~0))) (and (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1 .cse2) (or (or (not (= 1 ~pumpRunning~0)) .cse2) .cse0 .cse1))) [2018-12-09 12:36:32,508 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 965 972) no Hoare annotation was computed. [2018-12-09 12:36:32,508 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 464 475) no Hoare annotation was computed. [2018-12-09 12:36:32,508 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 464 475) the Hoare annotation is: (let ((.cse3 (not (= 0 ~pumpRunning~0))) (.cse6 (not (= |old(~waterLevel~0)| 1))) (.cse5 (= 1 ~waterLevel~0)) (.cse2 (< 1 |old(~waterLevel~0)|)) (.cse4 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (< 2 |old(~waterLevel~0)|) .cse0 (<= ~waterLevel~0 2) .cse1) (or (not (= |old(~waterLevel~0)| 2)) .cse0 .cse1 (or (= ~waterLevel~0 2) (= ~waterLevel~0 1)) (not (= ~methaneLevelCritical~0 0))) (or .cse2 .cse3 .cse1 .cse4) (or .cse3 .cse1 .cse5 .cse6) (or .cse0 .cse1 .cse6 .cse5) (or .cse2 .cse4 .cse0 .cse1))) [2018-12-09 12:36:32,508 INFO L448 ceAbstractionStarter]: For program point L468-1(lines 464 475) no Hoare annotation was computed. [2018-12-09 12:36:32,508 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 690 697) no Hoare annotation was computed. [2018-12-09 12:36:32,508 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 690 697) the Hoare annotation is: true [2018-12-09 12:36:32,508 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 690 697) no Hoare annotation was computed. [2018-12-09 12:36:32,508 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 694) no Hoare annotation was computed. [2018-12-09 12:36:32,518 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 12:36:32 BoogieIcfgContainer [2018-12-09 12:36:32,518 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 12:36:32,518 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 12:36:32,518 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 12:36:32,518 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 12:36:32,519 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:36:21" (3/4) ... [2018-12-09 12:36:32,521 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 12:36:32,526 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-09 12:36:32,526 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-09 12:36:32,526 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 12:36:32,526 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-09 12:36:32,526 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-09 12:36:32,526 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-09 12:36:32,526 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-09 12:36:32,526 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-09 12:36:32,526 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-09 12:36:32,527 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-09 12:36:32,527 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-09 12:36:32,527 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-09 12:36:32,527 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-09 12:36:32,527 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 12:36:32,527 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-09 12:36:32,527 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-09 12:36:32,527 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-09 12:36:32,527 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-09 12:36:32,527 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-09 12:36:32,527 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-09 12:36:32,527 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-09 12:36:32,527 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification3_spec__1 [2018-12-09 12:36:32,527 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-09 12:36:32,527 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-09 12:36:32,528 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 12:36:32,528 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-09 12:36:32,528 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-09 12:36:32,528 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-09 12:36:32,534 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-12-09 12:36:32,534 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-09 12:36:32,535 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-12-09 12:36:32,535 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 12:36:32,535 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 12:36:32,536 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 12:36:32,556 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((waterLevel <= 2 && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && waterLevel <= 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 12:36:32,556 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 12:36:32,578 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f98b7747-ddf6-46a7-ae56-11f0f7aab4bf/bin-2019/utaipan/witness.graphml [2018-12-09 12:36:32,578 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 12:36:32,579 INFO L168 Benchmark]: Toolchain (without parser) took 11898.44 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 594.5 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -147.8 MB). Peak memory consumption was 446.8 MB. Max. memory is 11.5 GB. [2018-12-09 12:36:32,579 INFO L168 Benchmark]: CDTParser took 0.15 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 12:36:32,579 INFO L168 Benchmark]: CACSL2BoogieTranslator took 278.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -172.1 MB). Peak memory consumption was 25.4 MB. Max. memory is 11.5 GB. [2018-12-09 12:36:32,579 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.69 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 12:36:32,580 INFO L168 Benchmark]: Boogie Preprocessor took 22.86 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 12:36:32,580 INFO L168 Benchmark]: RCFGBuilder took 335.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 56.2 MB). Peak memory consumption was 56.2 MB. Max. memory is 11.5 GB. [2018-12-09 12:36:32,580 INFO L168 Benchmark]: TraceAbstraction took 11179.00 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 451.4 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -47.6 MB). Peak memory consumption was 732.0 MB. Max. memory is 11.5 GB. [2018-12-09 12:36:32,580 INFO L168 Benchmark]: Witness Printer took 59.94 ms. Allocated memory is still 1.6 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. [2018-12-09 12:36:32,581 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 278.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -172.1 MB). Peak memory consumption was 25.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.69 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.86 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 335.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 56.2 MB). Peak memory consumption was 56.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 11179.00 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 451.4 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -47.6 MB). Peak memory consumption was 732.0 MB. Max. memory is 11.5 GB. * Witness Printer took 59.94 ms. Allocated memory is still 1.6 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 694]: 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: 710]: Loop Invariant Derived loop invariant: (((((((waterLevel <= 2 && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && waterLevel <= 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 565]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 709]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 151 locations, 1 error locations. SAFE Result, 11.1s OverallTime, 11 OverallIterations, 2 TraceHistogramMax, 4.6s AutomataDifference, 0.0s DeadEndRemovalTime, 3.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 1879 SDtfs, 2083 SDslu, 6779 SDs, 0 SdLazy, 3776 SolverSat, 1191 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.4s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 564 GetRequests, 427 SyntacticMatches, 14 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 649 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=645occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.9s AbstIntTime, 2 AbstIntIterations, 1 AbstIntStrong, 0.9978833301187071 AbsIntWeakeningRatio, 0.935251798561151 AbsIntAvgWeakeningVarsNumRemoved, 28.179856115107913 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 11 MinimizatonAttempts, 85 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 1918 PreInvPairs, 2317 NumberOfFragments, 1875 HoareAnnotationTreeSize, 1918 FomulaSimplifications, 7369 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 62 FomulaSimplificationsInter, 20156 FormulaSimplificationTreeSizeReductionInter, 3.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1096 NumberOfCodeBlocks, 1096 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1223 ConstructedInterpolants, 0 QuantifiedInterpolants, 222470 SizeOfPredicates, 7 NumberOfNonLiveVariables, 847 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 13 InterpolantComputations, 9 PerfectInterpolantSequences, 84/100 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...