./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product45_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_a53d0908-7f2b-432b-ba9d-e8d45581c345/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a53d0908-7f2b-432b-ba9d-e8d45581c345/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a53d0908-7f2b-432b-ba9d-e8d45581c345/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a53d0908-7f2b-432b-ba9d-e8d45581c345/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product45_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a53d0908-7f2b-432b-ba9d-e8d45581c345/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a53d0908-7f2b-432b-ba9d-e8d45581c345/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 9b7549a4c392cf253bbff25b83e97c5c89bfd389 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 01:24:18,201 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 01:24:18,202 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 01:24:18,210 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 01:24:18,210 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 01:24:18,210 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 01:24:18,211 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 01:24:18,212 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 01:24:18,213 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 01:24:18,214 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 01:24:18,215 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 01:24:18,215 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 01:24:18,215 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 01:24:18,216 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 01:24:18,217 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 01:24:18,217 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 01:24:18,218 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 01:24:18,219 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 01:24:18,221 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 01:24:18,222 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 01:24:18,222 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 01:24:18,223 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 01:24:18,225 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 01:24:18,225 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 01:24:18,225 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 01:24:18,226 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 01:24:18,227 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 01:24:18,227 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 01:24:18,228 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 01:24:18,228 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 01:24:18,229 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 01:24:18,229 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 01:24:18,229 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 01:24:18,229 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 01:24:18,230 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 01:24:18,230 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 01:24:18,231 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a53d0908-7f2b-432b-ba9d-e8d45581c345/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 01:24:18,241 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 01:24:18,241 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 01:24:18,242 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 01:24:18,242 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 01:24:18,242 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 01:24:18,242 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 01:24:18,242 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 01:24:18,243 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 01:24:18,243 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 01:24:18,243 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 01:24:18,243 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 01:24:18,243 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 01:24:18,243 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 01:24:18,244 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 01:24:18,244 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 01:24:18,244 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 01:24:18,244 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 01:24:18,245 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 01:24:18,245 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 01:24:18,245 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 01:24:18,245 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 01:24:18,245 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 01:24:18,245 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 01:24:18,245 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 01:24:18,245 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 01:24:18,246 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 01:24:18,246 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 01:24:18,246 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 01:24:18,246 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 01:24:18,246 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 01:24:18,246 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 01:24:18,246 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 01:24:18,246 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 01:24:18,246 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 01:24:18,246 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 01:24:18,246 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 01:24:18,247 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_a53d0908-7f2b-432b-ba9d-e8d45581c345/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 -> 9b7549a4c392cf253bbff25b83e97c5c89bfd389 [2018-12-09 01:24:18,268 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 01:24:18,275 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 01:24:18,276 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 01:24:18,277 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 01:24:18,277 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 01:24:18,278 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a53d0908-7f2b-432b-ba9d-e8d45581c345/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product45_true-unreach-call_false-termination.cil.c [2018-12-09 01:24:18,314 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a53d0908-7f2b-432b-ba9d-e8d45581c345/bin-2019/utaipan/data/d9a387773/021e766afe0c424fa9277918b6313b55/FLAG9d4a03f5f [2018-12-09 01:24:18,733 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 01:24:18,734 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a53d0908-7f2b-432b-ba9d-e8d45581c345/sv-benchmarks/c/product-lines/minepump_spec2_product45_true-unreach-call_false-termination.cil.c [2018-12-09 01:24:18,740 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a53d0908-7f2b-432b-ba9d-e8d45581c345/bin-2019/utaipan/data/d9a387773/021e766afe0c424fa9277918b6313b55/FLAG9d4a03f5f [2018-12-09 01:24:18,748 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a53d0908-7f2b-432b-ba9d-e8d45581c345/bin-2019/utaipan/data/d9a387773/021e766afe0c424fa9277918b6313b55 [2018-12-09 01:24:18,749 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 01:24:18,750 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 01:24:18,751 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 01:24:18,751 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 01:24:18,753 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 01:24:18,753 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:24:18" (1/1) ... [2018-12-09 01:24:18,754 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42d622ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:24:18, skipping insertion in model container [2018-12-09 01:24:18,755 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:24:18" (1/1) ... [2018-12-09 01:24:18,760 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 01:24:18,787 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 01:24:18,945 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 01:24:18,984 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 01:24:19,028 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 01:24:19,044 INFO L195 MainTranslator]: Completed translation [2018-12-09 01:24:19,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:24:19 WrapperNode [2018-12-09 01:24:19,045 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 01:24:19,045 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 01:24:19,045 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 01:24:19,045 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 01:24:19,052 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:24:19" (1/1) ... [2018-12-09 01:24:19,065 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:24:19" (1/1) ... [2018-12-09 01:24:19,072 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 01:24:19,072 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 01:24:19,072 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 01:24:19,072 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 01:24:19,079 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:24:19" (1/1) ... [2018-12-09 01:24:19,079 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:24:19" (1/1) ... [2018-12-09 01:24:19,081 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:24:19" (1/1) ... [2018-12-09 01:24:19,081 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:24:19" (1/1) ... [2018-12-09 01:24:19,088 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:24:19" (1/1) ... [2018-12-09 01:24:19,092 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:24:19" (1/1) ... [2018-12-09 01:24:19,094 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:24:19" (1/1) ... [2018-12-09 01:24:19,096 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 01:24:19,097 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 01:24:19,097 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 01:24:19,097 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 01:24:19,097 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:24:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a53d0908-7f2b-432b-ba9d-e8d45581c345/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 01:24:19,131 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 01:24:19,131 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 01:24:19,131 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 01:24:19,131 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 01:24:19,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 01:24:19,131 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 01:24:19,132 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 01:24:19,132 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-09 01:24:19,132 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-09 01:24:19,132 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 01:24:19,132 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 01:24:19,132 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 01:24:19,132 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 01:24:19,132 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 01:24:19,132 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 01:24:19,132 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-12-09 01:24:19,132 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-12-09 01:24:19,132 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-12-09 01:24:19,132 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-12-09 01:24:19,132 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-09 01:24:19,133 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-09 01:24:19,133 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-09 01:24:19,133 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-09 01:24:19,133 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 01:24:19,133 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 01:24:19,133 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 01:24:19,133 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 01:24:19,133 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 01:24:19,133 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 01:24:19,133 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 01:24:19,133 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 01:24:19,133 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 01:24:19,133 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 01:24:19,133 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 01:24:19,133 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 01:24:19,133 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 01:24:19,134 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 01:24:19,134 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-09 01:24:19,134 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-09 01:24:19,134 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 01:24:19,134 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 01:24:19,134 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 01:24:19,134 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 01:24:19,134 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-09 01:24:19,134 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-09 01:24:19,134 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 01:24:19,134 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 01:24:19,134 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2018-12-09 01:24:19,134 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2018-12-09 01:24:19,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 01:24:19,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 01:24:19,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 01:24:19,135 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 01:24:19,135 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 01:24:19,135 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 01:24:19,135 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 01:24:19,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 01:24:19,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 01:24:19,421 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 01:24:19,421 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 01:24:19,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:24:19 BoogieIcfgContainer [2018-12-09 01:24:19,421 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 01:24:19,422 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 01:24:19,422 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 01:24:19,424 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 01:24:19,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 01:24:18" (1/3) ... [2018-12-09 01:24:19,424 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f1a49c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 01:24:19, skipping insertion in model container [2018-12-09 01:24:19,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:24:19" (2/3) ... [2018-12-09 01:24:19,425 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f1a49c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 01:24:19, skipping insertion in model container [2018-12-09 01:24:19,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:24:19" (3/3) ... [2018-12-09 01:24:19,426 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product45_true-unreach-call_false-termination.cil.c [2018-12-09 01:24:19,432 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 01:24:19,437 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 01:24:19,446 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 01:24:19,463 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 01:24:19,464 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 01:24:19,464 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 01:24:19,464 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 01:24:19,464 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 01:24:19,464 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 01:24:19,464 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 01:24:19,464 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 01:24:19,476 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states. [2018-12-09 01:24:19,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 01:24:19,481 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:24:19,481 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 01:24:19,483 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:24:19,486 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:24:19,486 INFO L82 PathProgramCache]: Analyzing trace with hash 2057341434, now seen corresponding path program 1 times [2018-12-09 01:24:19,487 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 01:24:19,515 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:24:19,515 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:24:19,515 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:24:19,515 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 01:24:19,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:24:19,622 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 01:24:19,624 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 01:24:19,624 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 01:24:19,624 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 01:24:19,627 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 01:24:19,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 01:24:19,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 01:24:19,637 INFO L87 Difference]: Start difference. First operand 148 states. Second operand 2 states. [2018-12-09 01:24:19,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:24:19,660 INFO L93 Difference]: Finished difference Result 266 states and 333 transitions. [2018-12-09 01:24:19,660 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 01:24:19,661 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-12-09 01:24:19,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:24:19,668 INFO L225 Difference]: With dead ends: 266 [2018-12-09 01:24:19,668 INFO L226 Difference]: Without dead ends: 135 [2018-12-09 01:24:19,670 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 01:24:19,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2018-12-09 01:24:19,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2018-12-09 01:24:19,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2018-12-09 01:24:19,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 160 transitions. [2018-12-09 01:24:19,700 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 160 transitions. Word has length 51 [2018-12-09 01:24:19,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:24:19,700 INFO L480 AbstractCegarLoop]: Abstraction has 135 states and 160 transitions. [2018-12-09 01:24:19,700 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 01:24:19,700 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 160 transitions. [2018-12-09 01:24:19,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 01:24:19,702 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:24:19,702 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 01:24:19,702 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:24:19,702 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:24:19,702 INFO L82 PathProgramCache]: Analyzing trace with hash 886643026, now seen corresponding path program 1 times [2018-12-09 01:24:19,702 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 01:24:19,703 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:24:19,703 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:24:19,703 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:24:19,703 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 01:24:19,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:24:19,749 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 01:24:19,749 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 01:24:19,749 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 01:24:19,749 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 01:24:19,750 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 01:24:19,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 01:24:19,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 01:24:19,751 INFO L87 Difference]: Start difference. First operand 135 states and 160 transitions. Second operand 3 states. [2018-12-09 01:24:19,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:24:19,763 INFO L93 Difference]: Finished difference Result 215 states and 255 transitions. [2018-12-09 01:24:19,764 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 01:24:19,764 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-09 01:24:19,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:24:19,765 INFO L225 Difference]: With dead ends: 215 [2018-12-09 01:24:19,765 INFO L226 Difference]: Without dead ends: 126 [2018-12-09 01:24:19,765 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 01:24:19,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2018-12-09 01:24:19,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2018-12-09 01:24:19,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2018-12-09 01:24:19,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 148 transitions. [2018-12-09 01:24:19,772 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 148 transitions. Word has length 52 [2018-12-09 01:24:19,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:24:19,773 INFO L480 AbstractCegarLoop]: Abstraction has 126 states and 148 transitions. [2018-12-09 01:24:19,773 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 01:24:19,773 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 148 transitions. [2018-12-09 01:24:19,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-09 01:24:19,774 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:24:19,774 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 01:24:19,774 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:24:19,774 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:24:19,774 INFO L82 PathProgramCache]: Analyzing trace with hash 1831062250, now seen corresponding path program 1 times [2018-12-09 01:24:19,774 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 01:24:19,775 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:24:19,775 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:24:19,775 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:24:19,775 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 01:24:19,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:24:19,840 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 01:24:19,840 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 01:24:19,840 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 01:24:19,840 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 01:24:19,841 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 01:24:19,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 01:24:19,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 01:24:19,841 INFO L87 Difference]: Start difference. First operand 126 states and 148 transitions. Second operand 7 states. [2018-12-09 01:24:20,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:24:20,005 INFO L93 Difference]: Finished difference Result 224 states and 269 transitions. [2018-12-09 01:24:20,005 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 01:24:20,005 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2018-12-09 01:24:20,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:24:20,006 INFO L225 Difference]: With dead ends: 224 [2018-12-09 01:24:20,007 INFO L226 Difference]: Without dead ends: 126 [2018-12-09 01:24:20,007 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 01:24:20,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2018-12-09 01:24:20,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2018-12-09 01:24:20,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2018-12-09 01:24:20,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 147 transitions. [2018-12-09 01:24:20,018 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 147 transitions. Word has length 56 [2018-12-09 01:24:20,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:24:20,019 INFO L480 AbstractCegarLoop]: Abstraction has 126 states and 147 transitions. [2018-12-09 01:24:20,019 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 01:24:20,019 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 147 transitions. [2018-12-09 01:24:20,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-09 01:24:20,021 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:24:20,021 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 01:24:20,021 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:24:20,021 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:24:20,021 INFO L82 PathProgramCache]: Analyzing trace with hash -50523387, now seen corresponding path program 1 times [2018-12-09 01:24:20,022 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 01:24:20,022 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:24:20,022 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:24:20,023 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:24:20,023 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 01:24:20,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:24:20,085 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 01:24:20,085 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 01:24:20,085 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 01:24:20,085 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 01:24:20,085 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 01:24:20,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 01:24:20,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 01:24:20,086 INFO L87 Difference]: Start difference. First operand 126 states and 147 transitions. Second operand 5 states. [2018-12-09 01:24:20,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:24:20,398 INFO L93 Difference]: Finished difference Result 327 states and 398 transitions. [2018-12-09 01:24:20,398 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 01:24:20,398 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 69 [2018-12-09 01:24:20,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:24:20,400 INFO L225 Difference]: With dead ends: 327 [2018-12-09 01:24:20,400 INFO L226 Difference]: Without dead ends: 229 [2018-12-09 01:24:20,401 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 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 01:24:20,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2018-12-09 01:24:20,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 211. [2018-12-09 01:24:20,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2018-12-09 01:24:20,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 243 transitions. [2018-12-09 01:24:20,415 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 243 transitions. Word has length 69 [2018-12-09 01:24:20,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:24:20,415 INFO L480 AbstractCegarLoop]: Abstraction has 211 states and 243 transitions. [2018-12-09 01:24:20,415 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 01:24:20,416 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 243 transitions. [2018-12-09 01:24:20,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-09 01:24:20,417 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:24:20,417 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, 1, 1, 1, 1, 1, 1, 1, 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 01:24:20,417 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:24:20,417 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:24:20,417 INFO L82 PathProgramCache]: Analyzing trace with hash -1952348736, now seen corresponding path program 1 times [2018-12-09 01:24:20,417 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 01:24:20,418 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:24:20,418 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:24:20,418 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:24:20,418 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 01:24:20,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:24:20,481 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 01:24:20,481 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 01:24:20,481 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 01:24:20,481 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 01:24:20,482 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 01:24:20,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 01:24:20,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 01:24:20,482 INFO L87 Difference]: Start difference. First operand 211 states and 243 transitions. Second operand 6 states. [2018-12-09 01:24:20,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:24:20,617 INFO L93 Difference]: Finished difference Result 559 states and 665 transitions. [2018-12-09 01:24:20,618 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 01:24:20,618 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2018-12-09 01:24:20,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:24:20,620 INFO L225 Difference]: With dead ends: 559 [2018-12-09 01:24:20,620 INFO L226 Difference]: Without dead ends: 376 [2018-12-09 01:24:20,621 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 01:24:20,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2018-12-09 01:24:20,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 370. [2018-12-09 01:24:20,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 370 states. [2018-12-09 01:24:20,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 426 transitions. [2018-12-09 01:24:20,651 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 426 transitions. Word has length 83 [2018-12-09 01:24:20,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:24:20,652 INFO L480 AbstractCegarLoop]: Abstraction has 370 states and 426 transitions. [2018-12-09 01:24:20,652 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 01:24:20,652 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 426 transitions. [2018-12-09 01:24:20,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-12-09 01:24:20,653 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:24:20,654 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 01:24:20,654 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:24:20,654 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:24:20,654 INFO L82 PathProgramCache]: Analyzing trace with hash 1133774980, now seen corresponding path program 1 times [2018-12-09 01:24:20,654 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 01:24:20,655 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:24:20,655 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:24:20,655 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:24:20,655 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 01:24:20,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:24:20,742 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 01:24:20,742 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 01:24:20,742 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 01:24:20,743 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 01:24:20,743 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 01:24:20,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 01:24:20,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 01:24:20,743 INFO L87 Difference]: Start difference. First operand 370 states and 426 transitions. Second operand 7 states. [2018-12-09 01:24:21,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:24:21,057 INFO L93 Difference]: Finished difference Result 741 states and 876 transitions. [2018-12-09 01:24:21,057 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-09 01:24:21,057 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 87 [2018-12-09 01:24:21,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:24:21,059 INFO L225 Difference]: With dead ends: 741 [2018-12-09 01:24:21,059 INFO L226 Difference]: Without dead ends: 399 [2018-12-09 01:24:21,060 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-09 01:24:21,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2018-12-09 01:24:21,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 369. [2018-12-09 01:24:21,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 369 states. [2018-12-09 01:24:21,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 423 transitions. [2018-12-09 01:24:21,080 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 423 transitions. Word has length 87 [2018-12-09 01:24:21,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:24:21,080 INFO L480 AbstractCegarLoop]: Abstraction has 369 states and 423 transitions. [2018-12-09 01:24:21,080 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 01:24:21,080 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 423 transitions. [2018-12-09 01:24:21,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-09 01:24:21,082 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:24:21,082 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 01:24:21,082 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:24:21,082 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:24:21,082 INFO L82 PathProgramCache]: Analyzing trace with hash 342193107, now seen corresponding path program 1 times [2018-12-09 01:24:21,083 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 01:24:21,083 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:24:21,083 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:24:21,083 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:24:21,084 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 01:24:21,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:24:21,138 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 01:24:21,138 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 01:24:21,138 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 01:24:21,138 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 01:24:21,139 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 01:24:21,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 01:24:21,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 01:24:21,139 INFO L87 Difference]: Start difference. First operand 369 states and 423 transitions. Second operand 6 states. [2018-12-09 01:24:21,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:24:21,161 INFO L93 Difference]: Finished difference Result 724 states and 850 transitions. [2018-12-09 01:24:21,162 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 01:24:21,162 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 103 [2018-12-09 01:24:21,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:24:21,163 INFO L225 Difference]: With dead ends: 724 [2018-12-09 01:24:21,163 INFO L226 Difference]: Without dead ends: 383 [2018-12-09 01:24:21,164 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-09 01:24:21,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2018-12-09 01:24:21,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 379. [2018-12-09 01:24:21,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2018-12-09 01:24:21,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 433 transitions. [2018-12-09 01:24:21,175 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 433 transitions. Word has length 103 [2018-12-09 01:24:21,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:24:21,176 INFO L480 AbstractCegarLoop]: Abstraction has 379 states and 433 transitions. [2018-12-09 01:24:21,176 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 01:24:21,176 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 433 transitions. [2018-12-09 01:24:21,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-09 01:24:21,177 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:24:21,177 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 01:24:21,177 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:24:21,177 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:24:21,177 INFO L82 PathProgramCache]: Analyzing trace with hash -2024501487, now seen corresponding path program 1 times [2018-12-09 01:24:21,177 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 01:24:21,177 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:24:21,178 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:24:21,178 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:24:21,178 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 01:24:21,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:24:21,224 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 01:24:21,224 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 01:24:21,224 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-09 01:24:21,224 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 01:24:21,225 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 01:24:21,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 01:24:21,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-09 01:24:21,225 INFO L87 Difference]: Start difference. First operand 379 states and 433 transitions. Second operand 8 states. [2018-12-09 01:24:21,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:24:21,247 INFO L93 Difference]: Finished difference Result 744 states and 872 transitions. [2018-12-09 01:24:21,247 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 01:24:21,247 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 103 [2018-12-09 01:24:21,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:24:21,249 INFO L225 Difference]: With dead ends: 744 [2018-12-09 01:24:21,249 INFO L226 Difference]: Without dead ends: 393 [2018-12-09 01:24:21,249 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-09 01:24:21,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2018-12-09 01:24:21,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 387. [2018-12-09 01:24:21,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 387 states. [2018-12-09 01:24:21,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 441 transitions. [2018-12-09 01:24:21,264 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 441 transitions. Word has length 103 [2018-12-09 01:24:21,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:24:21,264 INFO L480 AbstractCegarLoop]: Abstraction has 387 states and 441 transitions. [2018-12-09 01:24:21,264 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 01:24:21,264 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 441 transitions. [2018-12-09 01:24:21,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-09 01:24:21,266 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:24:21,266 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 01:24:21,266 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:24:21,266 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:24:21,266 INFO L82 PathProgramCache]: Analyzing trace with hash 2029925680, now seen corresponding path program 1 times [2018-12-09 01:24:21,266 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 01:24:21,267 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:24:21,267 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:24:21,267 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:24:21,267 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 01:24:21,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:24:21,304 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 01:24:21,304 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 01:24:21,304 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 01:24:21,304 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 01:24:21,305 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 01:24:21,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 01:24:21,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 01:24:21,305 INFO L87 Difference]: Start difference. First operand 387 states and 441 transitions. Second operand 4 states. [2018-12-09 01:24:21,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:24:21,419 INFO L93 Difference]: Finished difference Result 1132 states and 1360 transitions. [2018-12-09 01:24:21,420 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 01:24:21,420 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 103 [2018-12-09 01:24:21,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:24:21,422 INFO L225 Difference]: With dead ends: 1132 [2018-12-09 01:24:21,422 INFO L226 Difference]: Without dead ends: 773 [2018-12-09 01:24:21,423 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 01:24:21,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 773 states. [2018-12-09 01:24:21,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 773 to 758. [2018-12-09 01:24:21,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 758 states. [2018-12-09 01:24:21,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 758 states and 891 transitions. [2018-12-09 01:24:21,446 INFO L78 Accepts]: Start accepts. Automaton has 758 states and 891 transitions. Word has length 103 [2018-12-09 01:24:21,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:24:21,447 INFO L480 AbstractCegarLoop]: Abstraction has 758 states and 891 transitions. [2018-12-09 01:24:21,447 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 01:24:21,447 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states and 891 transitions. [2018-12-09 01:24:21,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-09 01:24:21,448 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:24:21,448 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 01:24:21,448 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:24:21,448 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:24:21,448 INFO L82 PathProgramCache]: Analyzing trace with hash 657035318, now seen corresponding path program 1 times [2018-12-09 01:24:21,448 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 01:24:21,449 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:24:21,449 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:24:21,449 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:24:21,449 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 01:24:21,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:24:21,536 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 01:24:21,536 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 01:24:21,536 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 01:24:21,537 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 108 with the following transitions: [2018-12-09 01:24:21,538 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [26], [36], [37], [38], [39], [43], [45], [46], [49], [53], [54], [55], [70], [73], [75], [84], [88], [92], [95], [100], [103], [108], [111], [126], [127], [128], [130], [133], [135], [138], [141], [153], [154], [155], [156], [157], [159], [164], [167], [168], [170], [175], [177], [178], [183], [185], [186], [187], [193], [197], [237], [243], [247], [248], [251], [252], [253], [254], [255], [256], [257], [258], [259], [261], [262], [263], [264], [269], [270], [271], [273], [274], [281], [282], [283], [284], [285], [286], [287], [291], [292], [293], [294], [295], [297], [298], [299], [300], [301], [302], [305], [306], [307], [313], [314], [315] [2018-12-09 01:24:21,566 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 01:24:21,566 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 01:24:21,909 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 01:24:21,910 INFO L272 AbstractInterpreter]: Visited 80 different actions 80 times. Never merged. Never widened. Performed 2759 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2759 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 134 variables. [2018-12-09 01:24:21,915 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:24:21,915 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 01:24:22,105 INFO L227 lantSequenceWeakener]: Weakened 78 states. On average, predicates are now at 96.73% of their original sizes. [2018-12-09 01:24:22,105 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 01:24:22,180 INFO L418 sIntCurrentIteration]: We unified 106 AI predicates to 106 [2018-12-09 01:24:22,180 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 01:24:22,180 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 01:24:22,180 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [16] imperfect sequences [13] total 27 [2018-12-09 01:24:22,180 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 01:24:22,181 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-12-09 01:24:22,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-12-09 01:24:22,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2018-12-09 01:24:22,181 INFO L87 Difference]: Start difference. First operand 758 states and 891 transitions. Second operand 16 states. [2018-12-09 01:24:25,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:24:25,243 INFO L93 Difference]: Finished difference Result 1911 states and 2271 transitions. [2018-12-09 01:24:25,244 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-09 01:24:25,244 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 107 [2018-12-09 01:24:25,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:24:25,248 INFO L225 Difference]: With dead ends: 1911 [2018-12-09 01:24:25,248 INFO L226 Difference]: Without dead ends: 1181 [2018-12-09 01:24:25,250 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 112 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=86, Invalid=376, Unknown=0, NotChecked=0, Total=462 [2018-12-09 01:24:25,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1181 states. [2018-12-09 01:24:25,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1181 to 1179. [2018-12-09 01:24:25,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1179 states. [2018-12-09 01:24:25,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1179 states to 1179 states and 1368 transitions. [2018-12-09 01:24:25,287 INFO L78 Accepts]: Start accepts. Automaton has 1179 states and 1368 transitions. Word has length 107 [2018-12-09 01:24:25,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:24:25,287 INFO L480 AbstractCegarLoop]: Abstraction has 1179 states and 1368 transitions. [2018-12-09 01:24:25,287 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-12-09 01:24:25,288 INFO L276 IsEmpty]: Start isEmpty. Operand 1179 states and 1368 transitions. [2018-12-09 01:24:25,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-12-09 01:24:25,290 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:24:25,290 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 01:24:25,290 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:24:25,290 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:24:25,291 INFO L82 PathProgramCache]: Analyzing trace with hash 1976835013, now seen corresponding path program 1 times [2018-12-09 01:24:25,291 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 01:24:25,291 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:24:25,291 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:24:25,291 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:24:25,292 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 01:24:25,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:24:25,338 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-09 01:24:25,338 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 01:24:25,339 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 01:24:25,339 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 163 with the following transitions: [2018-12-09 01:24:25,339 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [26], [33], [36], [37], [38], [39], [43], [45], [46], [49], [53], [54], [55], [58], [60], [66], [70], [73], [74], [75], [84], [88], [92], [95], [100], [103], [106], [108], [111], [126], [127], [128], [130], [133], [135], [138], [141], [150], [152], [153], [154], [155], [156], [157], [159], [164], [167], [168], [170], [175], [177], [178], [183], [185], [186], [187], [190], [193], [197], [203], [232], [236], [237], [243], [247], [248], [251], [252], [253], [254], [255], [256], [257], [258], [259], [261], [262], [263], [264], [267], [268], [269], [270], [271], [273], [274], [275], [276], [279], [280], [281], [282], [283], [284], [285], [286], [287], [288], [291], [292], [293], [294], [295], [297], [298], [299], [300], [301], [302], [303], [304], [305], [306], [307], [308], [313], [314], [315] [2018-12-09 01:24:25,342 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 01:24:25,342 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 01:24:25,766 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 01:24:25,767 INFO L272 AbstractInterpreter]: Visited 112 different actions 194 times. Merged at 8 different actions 13 times. Never widened. Performed 10466 root evaluator evaluations with a maximum evaluation depth of 3. Performed 10466 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 2 fixpoints after 1 different actions. Largest state had 134 variables. [2018-12-09 01:24:25,769 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:24:25,769 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 01:24:26,025 INFO L227 lantSequenceWeakener]: Weakened 135 states. On average, predicates are now at 96.76% of their original sizes. [2018-12-09 01:24:26,025 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 01:24:26,203 INFO L418 sIntCurrentIteration]: We unified 161 AI predicates to 161 [2018-12-09 01:24:26,203 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 01:24:26,203 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 01:24:26,203 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [26] imperfect sequences [5] total 29 [2018-12-09 01:24:26,203 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 01:24:26,203 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-12-09 01:24:26,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-12-09 01:24:26,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=543, Unknown=0, NotChecked=0, Total=650 [2018-12-09 01:24:26,204 INFO L87 Difference]: Start difference. First operand 1179 states and 1368 transitions. Second operand 26 states. [2018-12-09 01:24:32,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:24:32,197 INFO L93 Difference]: Finished difference Result 3455 states and 4183 transitions. [2018-12-09 01:24:32,197 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-12-09 01:24:32,197 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 162 [2018-12-09 01:24:32,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:24:32,203 INFO L225 Difference]: With dead ends: 3455 [2018-12-09 01:24:32,203 INFO L226 Difference]: Without dead ends: 2845 [2018-12-09 01:24:32,204 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 172 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 331 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=222, Invalid=1110, Unknown=0, NotChecked=0, Total=1332 [2018-12-09 01:24:32,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2845 states. [2018-12-09 01:24:32,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2845 to 2718. [2018-12-09 01:24:32,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2718 states. [2018-12-09 01:24:32,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2718 states to 2718 states and 3216 transitions. [2018-12-09 01:24:32,293 INFO L78 Accepts]: Start accepts. Automaton has 2718 states and 3216 transitions. Word has length 162 [2018-12-09 01:24:32,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:24:32,293 INFO L480 AbstractCegarLoop]: Abstraction has 2718 states and 3216 transitions. [2018-12-09 01:24:32,293 INFO L481 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-12-09 01:24:32,294 INFO L276 IsEmpty]: Start isEmpty. Operand 2718 states and 3216 transitions. [2018-12-09 01:24:32,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-12-09 01:24:32,297 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:24:32,297 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:24:32,298 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:24:32,298 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:24:32,298 INFO L82 PathProgramCache]: Analyzing trace with hash -199953262, now seen corresponding path program 1 times [2018-12-09 01:24:32,298 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 01:24:32,298 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:24:32,298 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:24:32,298 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:24:32,298 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 01:24:32,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:24:32,403 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 54 proven. 14 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-12-09 01:24:32,404 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 01:24:32,404 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 01:24:32,404 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 217 with the following transitions: [2018-12-09 01:24:32,404 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [26], [33], [36], [37], [38], [39], [43], [45], [46], [49], [53], [54], [55], [58], [60], [66], [70], [73], [74], [75], [84], [88], [92], [95], [98], [100], [103], [106], [108], [111], [126], [127], [128], [130], [133], [135], [138], [141], [144], [150], [152], [153], [154], [155], [156], [157], [159], [164], [167], [168], [170], [175], [177], [178], [183], [185], [186], [187], [190], [193], [197], [203], [232], [236], [237], [243], [247], [248], [251], [252], [253], [254], [255], [256], [257], [258], [259], [261], [262], [263], [264], [267], [268], [269], [270], [271], [273], [274], [275], [276], [279], [280], [281], [282], [283], [284], [285], [286], [287], [288], [291], [292], [293], [294], [295], [297], [298], [299], [300], [301], [302], [303], [304], [305], [306], [307], [308], [313], [314], [315] [2018-12-09 01:24:32,407 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 01:24:32,407 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 01:24:33,300 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 01:24:33,300 INFO L272 AbstractInterpreter]: Visited 129 different actions 973 times. Merged at 21 different actions 100 times. Never widened. Performed 30058 root evaluator evaluations with a maximum evaluation depth of 3. Performed 30058 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 26 fixpoints after 6 different actions. Largest state had 134 variables. [2018-12-09 01:24:33,303 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:24:33,304 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 01:24:33,304 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 01:24:33,304 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a53d0908-7f2b-432b-ba9d-e8d45581c345/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 01:24:33,312 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:24:33,312 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 01:24:33,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:24:33,409 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 01:24:33,531 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-12-09 01:24:33,532 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 01:24:33,990 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 54 proven. 14 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-12-09 01:24:34,006 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-09 01:24:34,006 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2018-12-09 01:24:34,006 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 01:24:34,007 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 01:24:34,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 01:24:34,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-12-09 01:24:34,007 INFO L87 Difference]: Start difference. First operand 2718 states and 3216 transitions. Second operand 8 states. [2018-12-09 01:24:34,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:24:34,195 INFO L93 Difference]: Finished difference Result 4723 states and 5635 transitions. [2018-12-09 01:24:34,196 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 01:24:34,196 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 216 [2018-12-09 01:24:34,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:24:34,202 INFO L225 Difference]: With dead ends: 4723 [2018-12-09 01:24:34,202 INFO L226 Difference]: Without dead ends: 2504 [2018-12-09 01:24:34,205 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 445 GetRequests, 416 SyntacticMatches, 6 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-12-09 01:24:34,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2504 states. [2018-12-09 01:24:34,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2504 to 2441. [2018-12-09 01:24:34,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2441 states. [2018-12-09 01:24:34,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2441 states to 2441 states and 2849 transitions. [2018-12-09 01:24:34,282 INFO L78 Accepts]: Start accepts. Automaton has 2441 states and 2849 transitions. Word has length 216 [2018-12-09 01:24:34,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:24:34,282 INFO L480 AbstractCegarLoop]: Abstraction has 2441 states and 2849 transitions. [2018-12-09 01:24:34,282 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 01:24:34,282 INFO L276 IsEmpty]: Start isEmpty. Operand 2441 states and 2849 transitions. [2018-12-09 01:24:34,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2018-12-09 01:24:34,286 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:24:34,286 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-09 01:24:34,287 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:24:34,287 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:24:34,287 INFO L82 PathProgramCache]: Analyzing trace with hash -356247177, now seen corresponding path program 1 times [2018-12-09 01:24:34,287 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 01:24:34,287 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:24:34,288 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:24:34,288 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:24:34,288 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 01:24:34,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:24:34,379 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 57 proven. 26 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2018-12-09 01:24:34,379 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 01:24:34,379 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 01:24:34,379 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 293 with the following transitions: [2018-12-09 01:24:34,380 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [26], [29], [36], [37], [38], [39], [43], [45], [46], [49], [52], [53], [54], [55], [70], [73], [74], [75], [84], [88], [92], [95], [98], [100], [103], [106], [108], [111], [126], [127], [128], [130], [133], [135], [138], [141], [144], [150], [152], [153], [154], [155], [156], [157], [159], [164], [167], [168], [170], [173], [175], [177], [178], [181], [183], [185], [186], [187], [193], [197], [203], [237], [243], [247], [248], [251], [252], [253], [254], [255], [256], [257], [258], [259], [261], [262], [263], [264], [265], [266], [269], [270], [271], [273], [274], [281], [282], [283], [284], [285], [286], [287], [288], [291], [292], [293], [294], [295], [297], [298], [299], [300], [301], [302], [305], [306], [307], [308], [313], [314], [315] [2018-12-09 01:24:34,381 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 01:24:34,382 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 01:24:35,610 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 01:24:35,611 INFO L272 AbstractInterpreter]: Visited 120 different actions 1073 times. Merged at 32 different actions 245 times. Widened at 1 different actions 2 times. Performed 38789 root evaluator evaluations with a maximum evaluation depth of 3. Performed 38789 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 54 fixpoints after 7 different actions. Largest state had 134 variables. [2018-12-09 01:24:35,612 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:24:35,613 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 01:24:35,613 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 01:24:35,613 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a53d0908-7f2b-432b-ba9d-e8d45581c345/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 01:24:35,618 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:24:35,619 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 01:24:35,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:24:35,709 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 01:24:35,778 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2018-12-09 01:24:35,778 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 01:24:36,050 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 57 proven. 26 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2018-12-09 01:24:36,066 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-09 01:24:36,066 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [11, 7] total 19 [2018-12-09 01:24:36,066 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 01:24:36,067 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 01:24:36,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 01:24:36,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2018-12-09 01:24:36,067 INFO L87 Difference]: Start difference. First operand 2441 states and 2849 transitions. Second operand 6 states. [2018-12-09 01:24:36,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:24:36,199 INFO L93 Difference]: Finished difference Result 4797 states and 5672 transitions. [2018-12-09 01:24:36,200 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 01:24:36,200 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 292 [2018-12-09 01:24:36,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:24:36,205 INFO L225 Difference]: With dead ends: 4797 [2018-12-09 01:24:36,205 INFO L226 Difference]: Without dead ends: 2441 [2018-12-09 01:24:36,208 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 595 GetRequests, 573 SyntacticMatches, 5 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2018-12-09 01:24:36,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2441 states. [2018-12-09 01:24:36,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2441 to 2441. [2018-12-09 01:24:36,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2441 states. [2018-12-09 01:24:36,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2441 states to 2441 states and 2835 transitions. [2018-12-09 01:24:36,286 INFO L78 Accepts]: Start accepts. Automaton has 2441 states and 2835 transitions. Word has length 292 [2018-12-09 01:24:36,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:24:36,287 INFO L480 AbstractCegarLoop]: Abstraction has 2441 states and 2835 transitions. [2018-12-09 01:24:36,287 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 01:24:36,287 INFO L276 IsEmpty]: Start isEmpty. Operand 2441 states and 2835 transitions. [2018-12-09 01:24:36,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2018-12-09 01:24:36,292 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:24:36,292 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-09 01:24:36,292 INFO L423 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:24:36,292 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:24:36,292 INFO L82 PathProgramCache]: Analyzing trace with hash -1691514830, now seen corresponding path program 1 times [2018-12-09 01:24:36,293 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 01:24:36,293 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:24:36,293 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:24:36,293 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:24:36,293 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 01:24:36,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:24:36,475 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 87 proven. 18 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2018-12-09 01:24:36,475 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 01:24:36,475 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 01:24:36,476 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 299 with the following transitions: [2018-12-09 01:24:36,476 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [26], [29], [36], [37], [38], [39], [43], [45], [46], [49], [52], [53], [54], [55], [70], [73], [74], [75], [84], [88], [92], [95], [98], [100], [103], [106], [108], [111], [126], [127], [128], [130], [133], [135], [138], [141], [144], [147], [150], [152], [153], [154], [155], [156], [157], [159], [164], [167], [168], [170], [173], [175], [177], [178], [181], [183], [185], [186], [187], [193], [197], [203], [237], [243], [247], [248], [251], [252], [253], [254], [255], [256], [257], [258], [259], [261], [262], [263], [264], [265], [266], [269], [270], [271], [273], [274], [281], [282], [283], [284], [285], [286], [287], [288], [291], [292], [293], [294], [295], [297], [298], [299], [300], [301], [302], [305], [306], [307], [308], [313], [314], [315] [2018-12-09 01:24:36,477 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 01:24:36,477 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 01:24:38,568 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 01:24:38,568 INFO L272 AbstractInterpreter]: Visited 121 different actions 1639 times. Merged at 38 different actions 442 times. Widened at 1 different actions 3 times. Performed 66594 root evaluator evaluations with a maximum evaluation depth of 3. Performed 66594 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 102 fixpoints after 8 different actions. Largest state had 134 variables. [2018-12-09 01:24:38,570 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:24:38,570 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 01:24:38,570 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 01:24:38,570 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a53d0908-7f2b-432b-ba9d-e8d45581c345/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 01:24:38,576 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:24:38,577 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 01:24:38,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:24:38,653 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 01:24:38,740 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 250 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2018-12-09 01:24:38,740 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 01:24:39,469 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 87 proven. 18 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2018-12-09 01:24:39,484 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-09 01:24:39,485 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2018-12-09 01:24:39,485 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 01:24:39,485 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 01:24:39,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 01:24:39,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-12-09 01:24:39,485 INFO L87 Difference]: Start difference. First operand 2441 states and 2835 transitions. Second operand 8 states. [2018-12-09 01:24:39,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:24:39,612 INFO L93 Difference]: Finished difference Result 2919 states and 3384 transitions. [2018-12-09 01:24:39,612 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 01:24:39,612 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 298 [2018-12-09 01:24:39,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:24:39,613 INFO L225 Difference]: With dead ends: 2919 [2018-12-09 01:24:39,613 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 01:24:39,617 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 609 GetRequests, 578 SyntacticMatches, 8 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-12-09 01:24:39,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 01:24:39,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 01:24:39,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 01:24:39,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 01:24:39,618 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 298 [2018-12-09 01:24:39,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:24:39,618 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 01:24:39,618 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 01:24:39,618 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 01:24:39,618 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 01:24:39,622 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 01:24:39,853 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:24:39,866 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:24:39,868 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:24:39,960 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:24:39,961 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:24:39,964 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:24:39,981 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:24:39,982 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:24:39,985 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:24:40,105 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:24:40,106 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:24:40,108 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:24:40,356 WARN L180 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 29 [2018-12-09 01:24:40,822 WARN L180 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 63 [2018-12-09 01:24:41,041 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 36 [2018-12-09 01:24:41,385 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 29 [2018-12-09 01:24:41,665 WARN L180 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 57 [2018-12-09 01:24:41,872 WARN L180 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 33 [2018-12-09 01:24:42,134 WARN L180 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 31 [2018-12-09 01:24:42,267 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 30 [2018-12-09 01:24:42,417 WARN L180 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 39 [2018-12-09 01:24:42,602 WARN L180 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 43 [2018-12-09 01:24:42,720 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 27 [2018-12-09 01:24:42,846 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 27 [2018-12-09 01:24:42,950 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 26 [2018-12-09 01:24:43,319 WARN L180 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 53 [2018-12-09 01:24:44,118 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 27 [2018-12-09 01:24:44,281 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 34 [2018-12-09 01:24:44,554 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 27 [2018-12-09 01:24:44,633 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 902 908) the Hoare annotation is: true [2018-12-09 01:24:44,633 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 902 908) no Hoare annotation was computed. [2018-12-09 01:24:44,633 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 909 917) no Hoare annotation was computed. [2018-12-09 01:24:44,633 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 909 917) the Hoare annotation is: true [2018-12-09 01:24:44,633 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 909 917) no Hoare annotation was computed. [2018-12-09 01:24:44,634 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 497 519) the Hoare annotation is: (or (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 01:24:44,634 INFO L444 ceAbstractionStarter]: At program point L509(line 509) the Hoare annotation is: (or (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= main_~tmp~3 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 01:24:44,634 INFO L444 ceAbstractionStarter]: At program point L509-1(line 509) the Hoare annotation is: (or (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= main_~tmp~3 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 01:24:44,634 INFO L448 ceAbstractionStarter]: For program point L507(lines 507 514) no Hoare annotation was computed. [2018-12-09 01:24:44,634 INFO L448 ceAbstractionStarter]: For program point L507-1(lines 507 514) no Hoare annotation was computed. [2018-12-09 01:24:44,634 INFO L448 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-12-09 01:24:44,634 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 497 519) no Hoare annotation was computed. [2018-12-09 01:24:44,634 INFO L444 ceAbstractionStarter]: At program point L504(line 504) the Hoare annotation is: (or (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 01:24:44,634 INFO L444 ceAbstractionStarter]: At program point L503(line 503) the Hoare annotation is: (or (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 01:24:44,634 INFO L444 ceAbstractionStarter]: At program point L503-1(line 503) the Hoare annotation is: (or (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 01:24:44,634 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 497 519) no Hoare annotation was computed. [2018-12-09 01:24:44,634 INFO L444 ceAbstractionStarter]: At program point L574(line 574) the Hoare annotation is: (let ((.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (let ((.cse0 (and (or (not (= ~methaneLevelCritical~0 1)) .cse3) (or .cse3 .cse4))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse2 (or (not (= 1 |old(~pumpRunning~0)|)) .cse3) .cse4) (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2)))) [2018-12-09 01:24:44,634 INFO L448 ceAbstractionStarter]: For program point L572(lines 572 580) no Hoare annotation was computed. [2018-12-09 01:24:44,634 INFO L444 ceAbstractionStarter]: At program point L570(line 570) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (and (or (not (= ~methaneLevelCritical~0 1)) .cse0) (or .cse0 .cse1)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) .cse2) (or .cse2 (or (not (= 1 |old(~pumpRunning~0)|)) .cse0) .cse1))) [2018-12-09 01:24:44,634 INFO L448 ceAbstractionStarter]: For program point L570-1(line 570) no Hoare annotation was computed. [2018-12-09 01:24:44,635 INFO L448 ceAbstractionStarter]: For program point L568(lines 568 585) no Hoare annotation was computed. [2018-12-09 01:24:44,635 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 564 588) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~systemActive~0 1))) (.cse0 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (and (or (not (= ~methaneLevelCritical~0 1)) .cse0) (or .cse0 .cse1)) .cse2 (not (= 0 |old(~pumpRunning~0)|)) .cse3) (or .cse2 .cse3 (or (not (= 1 |old(~pumpRunning~0)|)) .cse0) .cse1))) [2018-12-09 01:24:44,635 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 564 588) no Hoare annotation was computed. [2018-12-09 01:24:44,635 INFO L444 ceAbstractionStarter]: At program point L583(line 583) the Hoare annotation is: (let ((.cse1 (not (= ~methAndRunningLastTime~0 0))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 (or (not (= 1 |old(~pumpRunning~0)|)) .cse1) .cse2) (or (and (or (not (= ~methaneLevelCritical~0 1)) .cse1) (or .cse1 .cse2)) (not (= 0 |old(~pumpRunning~0)|)) .cse0))) [2018-12-09 01:24:44,635 INFO L448 ceAbstractionStarter]: For program point L583-1(lines 564 588) no Hoare annotation was computed. [2018-12-09 01:24:44,635 INFO L444 ceAbstractionStarter]: At program point L578(line 578) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or (and (= ~pumpRunning~0 0) (= 0 processEnvironment__wrappee__methaneQuery_~tmp~4)) .cse0 (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse1 .cse2 .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2)))) (or .cse0 (or (not (= 1 |old(~pumpRunning~0)|)) .cse2) .cse3))) [2018-12-09 01:24:44,635 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 659 667) no Hoare annotation was computed. [2018-12-09 01:24:44,635 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 659 667) the Hoare annotation is: true [2018-12-09 01:24:44,635 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 659 667) no Hoare annotation was computed. [2018-12-09 01:24:44,635 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 895 901) no Hoare annotation was computed. [2018-12-09 01:24:44,635 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 895 901) the Hoare annotation is: true [2018-12-09 01:24:44,635 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 483 493) the Hoare annotation is: (or (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 01:24:44,635 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 483 493) no Hoare annotation was computed. [2018-12-09 01:24:44,635 INFO L444 ceAbstractionStarter]: At program point L488(line 488) the Hoare annotation is: (or (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 01:24:44,635 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 483 493) no Hoare annotation was computed. [2018-12-09 01:24:44,635 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 648 658) the Hoare annotation is: true [2018-12-09 01:24:44,635 INFO L451 ceAbstractionStarter]: At program point L653(line 653) the Hoare annotation is: true [2018-12-09 01:24:44,636 INFO L448 ceAbstractionStarter]: For program point L653-1(line 653) no Hoare annotation was computed. [2018-12-09 01:24:44,636 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 648 658) no Hoare annotation was computed. [2018-12-09 01:24:44,636 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 648 658) no Hoare annotation was computed. [2018-12-09 01:24:44,636 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 640 647) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1)) (let ((.cse0 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1)))) [2018-12-09 01:24:44,636 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 640 647) no Hoare annotation was computed. [2018-12-09 01:24:44,636 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 640 647) no Hoare annotation was computed. [2018-12-09 01:24:44,636 INFO L448 ceAbstractionStarter]: For program point L873(lines 873 879) no Hoare annotation was computed. [2018-12-09 01:24:44,636 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 869 882) no Hoare annotation was computed. [2018-12-09 01:24:44,636 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 869 882) the Hoare annotation is: true [2018-12-09 01:24:44,636 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 869 882) no Hoare annotation was computed. [2018-12-09 01:24:44,636 INFO L444 ceAbstractionStarter]: At program point L609(line 609) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or (and (or .cse0 .cse1) (or .cse1 .cse2)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) .cse3) (or .cse3 (let ((.cse4 (not (= 1 |old(~pumpRunning~0)|)))) (and (or .cse4 .cse1 .cse2) (or .cse0 .cse4 .cse1)))))) [2018-12-09 01:24:44,636 INFO L448 ceAbstractionStarter]: For program point L609-1(lines 590 614) no Hoare annotation was computed. [2018-12-09 01:24:44,636 INFO L444 ceAbstractionStarter]: At program point L604(line 604) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (let ((.cse5 (not (= 1 |old(~pumpRunning~0)|)))) (and (or .cse5 .cse3 .cse4) (or .cse2 .cse5 .cse3))))) (and (or (< ~methaneLevelCritical~0 1) .cse0 .cse1) (or (and (or .cse2 .cse3) (or .cse3 .cse4)) (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 .cse1)))) [2018-12-09 01:24:44,636 INFO L444 ceAbstractionStarter]: At program point L600(line 600) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (let ((.cse3 (not (= ~systemActive~0 1))) (.cse4 (let ((.cse5 (not (= 1 |old(~pumpRunning~0)|)))) (and (or .cse5 .cse1 .cse2) (or .cse0 .cse5 .cse1))))) (and (or (and (or .cse0 .cse1) (or .cse1 .cse2)) (not (= 0 |old(~pumpRunning~0)|)) .cse3) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse3 .cse4) (or (< ~methaneLevelCritical~0 1) (<= ~methaneLevelCritical~0 processEnvironment_~tmp~5) .cse3 .cse4)))) [2018-12-09 01:24:44,636 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 590 614) no Hoare annotation was computed. [2018-12-09 01:24:44,636 INFO L448 ceAbstractionStarter]: For program point L598(lines 598 606) no Hoare annotation was computed. [2018-12-09 01:24:44,636 INFO L444 ceAbstractionStarter]: At program point L596(line 596) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or (and (or .cse0 .cse1) (or .cse1 .cse2)) (not (= 0 |old(~pumpRunning~0)|)) .cse3) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse3 (let ((.cse4 (not (= 1 |old(~pumpRunning~0)|)))) (and (or .cse4 .cse1 .cse2) (or .cse0 .cse4 .cse1)))))) [2018-12-09 01:24:44,637 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 590 614) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or (and (or .cse0 .cse1) (or .cse1 .cse2)) .cse3 (not (= 0 |old(~pumpRunning~0)|)) .cse4) (or .cse3 .cse4 (let ((.cse5 (not (= 1 |old(~pumpRunning~0)|)))) (and (or .cse5 .cse1 .cse2) (or .cse0 .cse5 .cse1)))))) [2018-12-09 01:24:44,637 INFO L448 ceAbstractionStarter]: For program point L596-1(line 596) no Hoare annotation was computed. [2018-12-09 01:24:44,637 INFO L448 ceAbstractionStarter]: For program point L594(lines 594 611) no Hoare annotation was computed. [2018-12-09 01:24:44,637 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 556 562) no Hoare annotation was computed. [2018-12-09 01:24:44,637 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 556 562) the Hoare annotation is: true [2018-12-09 01:24:44,637 INFO L444 ceAbstractionStarter]: At program point L770-2(lines 764 775) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse0 (= ~methAndRunningLastTime~0 0)) (.cse3 (= ~methaneLevelCritical~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (and (let ((.cse2 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse2 .cse3))) .cse4) (and (or (and .cse0 .cse1) (and .cse0 .cse3)) (= 0 ~pumpRunning~0) .cse4) (or (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0))) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 01:24:44,637 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 724 787) the Hoare annotation is: (or (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 01:24:44,637 INFO L448 ceAbstractionStarter]: For program point L735(lines 734 779) no Hoare annotation was computed. [2018-12-09 01:24:44,637 INFO L448 ceAbstractionStarter]: For program point L764(lines 764 775) no Hoare annotation was computed. [2018-12-09 01:24:44,637 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 724 787) no Hoare annotation was computed. [2018-12-09 01:24:44,637 INFO L444 ceAbstractionStarter]: At program point L756(line 756) the Hoare annotation is: (let ((.cse0 (= ~methAndRunningLastTime~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (or (and .cse0 (= ~methaneLevelCritical~0 0)) (and .cse0 (= ~methaneLevelCritical~0 1))) (= 0 ~pumpRunning~0) .cse1) (or (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0))) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 1) .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 01:24:44,637 INFO L448 ceAbstractionStarter]: For program point L754(lines 754 760) no Hoare annotation was computed. [2018-12-09 01:24:44,637 INFO L448 ceAbstractionStarter]: For program point L754-1(lines 754 760) no Hoare annotation was computed. [2018-12-09 01:24:44,637 INFO L444 ceAbstractionStarter]: At program point L746(line 746) the Hoare annotation is: (let ((.cse1 (= test_~splverifierCounter~0 0)) (.cse0 (= ~methAndRunningLastTime~0 0))) (or (and (= 0 ~methaneLevelCritical~0) (and .cse0 (= ~pumpRunning~0 1)) .cse1) (and .cse1 (let ((.cse2 (= ~pumpRunning~0 0))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse2) (and .cse0 (= ~methaneLevelCritical~0 1) .cse2)))) (or (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0))) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 01:24:44,637 INFO L444 ceAbstractionStarter]: At program point L777(lines 734 779) the Hoare annotation is: (let ((.cse0 (= ~methAndRunningLastTime~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (= 0 ~methaneLevelCritical~0) (and .cse0 (= ~pumpRunning~0 1)) .cse1) (and (or (and .cse0 (= ~methaneLevelCritical~0 0)) (and .cse0 (= ~methaneLevelCritical~0 1))) (= 0 ~pumpRunning~0) .cse1) (or (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0))) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 01:24:44,637 INFO L448 ceAbstractionStarter]: For program point L744(lines 744 750) no Hoare annotation was computed. [2018-12-09 01:24:44,637 INFO L448 ceAbstractionStarter]: For program point L744-1(lines 744 750) no Hoare annotation was computed. [2018-12-09 01:24:44,637 INFO L448 ceAbstractionStarter]: For program point L736(lines 736 740) no Hoare annotation was computed. [2018-12-09 01:24:44,638 INFO L444 ceAbstractionStarter]: At program point L780(lines 733 781) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 01:24:44,638 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 724 787) no Hoare annotation was computed. [2018-12-09 01:24:44,638 INFO L448 ceAbstractionStarter]: For program point L770(lines 770 774) no Hoare annotation was computed. [2018-12-09 01:24:44,638 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 615 622) the Hoare annotation is: (or (or (not (= ~methAndRunningLastTime~0 0)) (or (= ~waterLevel~0 1) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0)))) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-09 01:24:44,638 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 615 622) no Hoare annotation was computed. [2018-12-09 01:24:44,638 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 615 622) no Hoare annotation was computed. [2018-12-09 01:24:44,638 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 928 956) the Hoare annotation is: (let ((.cse2 (= ~methAndRunningLastTime~0 0)) (.cse3 (not (= ~systemActive~0 1))) (.cse0 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (and (or (not (= ~methaneLevelCritical~0 1)) .cse0) (or .cse0 .cse1)) .cse2 (not (= 0 ~pumpRunning~0)) .cse3) (or .cse2 .cse3 (or (not (= 1 ~pumpRunning~0)) .cse0) .cse1))) [2018-12-09 01:24:44,638 INFO L444 ceAbstractionStarter]: At program point L943(line 943) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (and (or (not (= ~methaneLevelCritical~0 1)) .cse0) (or .cse0 .cse1)) (not (= 0 ~pumpRunning~0)) .cse2) (or .cse2 (or (not (= 1 ~pumpRunning~0)) .cse0) .cse1))) [2018-12-09 01:24:44,638 INFO L448 ceAbstractionStarter]: For program point L941(lines 941 947) no Hoare annotation was computed. [2018-12-09 01:24:44,638 INFO L448 ceAbstractionStarter]: For program point L940(lines 940 950) no Hoare annotation was computed. [2018-12-09 01:24:44,638 INFO L444 ceAbstractionStarter]: At program point L938(line 938) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (let ((.cse0 (= ~methaneLevelCritical~0 1))) (or (and (or (not .cse0) .cse1) (or .cse1 .cse2)) (not (= 0 ~pumpRunning~0)) (and (<= ~methaneLevelCritical~0 __utac_acc__Specification2_spec__2_~tmp~9) (and (= ~methAndRunningLastTime~0 0) .cse0)) .cse3)) (or .cse3 (or (not (= 1 ~pumpRunning~0)) .cse1) .cse2))) [2018-12-09 01:24:44,638 INFO L448 ceAbstractionStarter]: For program point L938-1(line 938) no Hoare annotation was computed. [2018-12-09 01:24:44,638 INFO L448 ceAbstractionStarter]: For program point L936(lines 936 953) no Hoare annotation was computed. [2018-12-09 01:24:44,638 INFO L448 ceAbstractionStarter]: For program point L936-1(lines 928 956) no Hoare annotation was computed. [2018-12-09 01:24:44,638 INFO L444 ceAbstractionStarter]: At program point L934(line 934) the Hoare annotation is: (let ((.cse2 (= ~methAndRunningLastTime~0 0)) (.cse3 (not (= ~systemActive~0 1))) (.cse0 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (and (or (not (= ~methaneLevelCritical~0 1)) .cse0) (or .cse0 .cse1)) .cse2 (not (= 0 ~pumpRunning~0)) .cse3) (or .cse2 .cse3 (or (not (= 1 ~pumpRunning~0)) .cse0) .cse1))) [2018-12-09 01:24:44,638 INFO L448 ceAbstractionStarter]: For program point L934-1(line 934) no Hoare annotation was computed. [2018-12-09 01:24:44,638 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 928 956) no Hoare annotation was computed. [2018-12-09 01:24:44,638 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 920 927) the Hoare annotation is: (or (= ~methAndRunningLastTime~0 0) (not (= ~waterLevel~0 1)) (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~methaneLevelCritical~0 0)))) [2018-12-09 01:24:44,638 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 920 927) no Hoare annotation was computed. [2018-12-09 01:24:44,639 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 920 927) no Hoare annotation was computed. [2018-12-09 01:24:44,639 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 01:24:44,639 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-12-09 01:24:44,639 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 01:24:44,639 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 623 639) no Hoare annotation was computed. [2018-12-09 01:24:44,639 INFO L444 ceAbstractionStarter]: At program point L634(line 634) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (or .cse1 (not (= ~methaneLevelCritical~0 0))) .cse2 .cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse0 .cse3 (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse1)))) [2018-12-09 01:24:44,639 INFO L448 ceAbstractionStarter]: For program point L634-1(lines 623 639) no Hoare annotation was computed. [2018-12-09 01:24:44,639 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 623 639) the Hoare annotation is: (or (= ~waterLevel~0 1) (let ((.cse0 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-09 01:24:44,639 INFO L448 ceAbstractionStarter]: For program point L630(lines 630 636) no Hoare annotation was computed. [2018-12-09 01:24:44,639 INFO L444 ceAbstractionStarter]: At program point L628(line 628) the Hoare annotation is: (or (= ~waterLevel~0 1) (let ((.cse0 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-09 01:24:44,639 INFO L448 ceAbstractionStarter]: For program point L628-1(line 628) no Hoare annotation was computed. [2018-12-09 01:24:44,639 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 704 722) no Hoare annotation was computed. [2018-12-09 01:24:44,639 INFO L448 ceAbstractionStarter]: For program point L713(lines 713 717) no Hoare annotation was computed. [2018-12-09 01:24:44,639 INFO L451 ceAbstractionStarter]: At program point L711(line 711) the Hoare annotation is: true [2018-12-09 01:24:44,639 INFO L448 ceAbstractionStarter]: For program point L713-2(lines 713 717) no Hoare annotation was computed. [2018-12-09 01:24:44,639 INFO L448 ceAbstractionStarter]: For program point L711-1(line 711) no Hoare annotation was computed. [2018-12-09 01:24:44,639 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 704 722) the Hoare annotation is: true [2018-12-09 01:24:44,639 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 704 722) no Hoare annotation was computed. [2018-12-09 01:24:44,639 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 816 827) the Hoare annotation is: (let ((.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (not (= |old(~methaneLevelCritical~0)| 0)))) (let ((.cse0 (and (or (not (= |old(~methaneLevelCritical~0)| 1)) .cse3) (or .cse3 .cse4))) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1)))) (and (or (or (< |old(~methaneLevelCritical~0)| 1) .cse0 .cse1 .cse2) (= ~methaneLevelCritical~0 1)) (or (or .cse2 (or (not (= 1 ~pumpRunning~0)) .cse3) .cse4) .cse5) (or .cse0 .cse5 .cse1 .cse2 .cse4)))) [2018-12-09 01:24:44,639 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 816 827) no Hoare annotation was computed. [2018-12-09 01:24:44,640 INFO L448 ceAbstractionStarter]: For program point L820-1(lines 816 827) no Hoare annotation was computed. [2018-12-09 01:24:44,640 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 828 836) the Hoare annotation is: true [2018-12-09 01:24:44,640 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 828 836) no Hoare annotation was computed. [2018-12-09 01:24:44,640 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 828 836) no Hoare annotation was computed. [2018-12-09 01:24:44,640 INFO L444 ceAbstractionStarter]: At program point L545(line 545) the Hoare annotation is: (let ((.cse12 (= ~methaneLevelCritical~0 0)) (.cse14 (= ~methaneLevelCritical~0 1))) (let ((.cse9 (= ~methAndRunningLastTime~0 0)) (.cse8 (not .cse14)) (.cse6 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse7 (not .cse12))) (let ((.cse10 (= ~waterLevel~0 2)) (.cse11 (not (= |old(~waterLevel~0)| 2))) (.cse1 (and (or .cse8 .cse6) (or .cse6 .cse7))) (.cse4 (let ((.cse13 (= ~pumpRunning~0 0))) (or (and .cse9 .cse12 .cse13) (and .cse9 .cse14 .cse13)))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse0 (= |old(~waterLevel~0)| 1))) (and (or .cse0 .cse1 .cse2 .cse3 (and (not (= ~waterLevel~0 1)) .cse4)) (or (or .cse3 (let ((.cse5 (not (= 1 |old(~pumpRunning~0)|)))) (and (or .cse5 .cse6 .cse7) (or .cse8 .cse5 .cse6)))) (and .cse9 (= ~pumpRunning~0 1))) (or .cse2 .cse3 .cse10 .cse6 .cse7 .cse11) (or .cse8 .cse2 .cse10 .cse3 .cse6 .cse11) (or .cse1 (and (= 1 ~waterLevel~0) .cse4) .cse2 .cse3 (not .cse0)))))) [2018-12-09 01:24:44,640 INFO L444 ceAbstractionStarter]: At program point L543(lines 543 549) the Hoare annotation is: (let ((.cse15 (= ~methaneLevelCritical~0 1)) (.cse13 (= ~methaneLevelCritical~0 0))) (let ((.cse2 (not (= ~systemActive~0 1))) (.cse4 (not .cse13)) (.cse9 (not .cse15)) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse12 (= ~methAndRunningLastTime~0 0))) (let ((.cse1 (= ~waterLevel~0 2)) (.cse5 (not (= |old(~waterLevel~0)| 2))) (.cse7 (let ((.cse17 (= ~pumpRunning~0 1))) (or (and .cse12 .cse13 .cse17) (and .cse12 .cse17 .cse15)))) (.cse6 (or .cse2 (let ((.cse16 (not (= 1 |old(~pumpRunning~0)|)))) (and (or .cse16 .cse3 .cse4) (or .cse9 .cse16 .cse3))))) (.cse8 (let ((.cse14 (= ~pumpRunning~0 0))) (or (and .cse12 .cse13 .cse14) (and .cse12 .cse15 .cse14)))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse10 (= |old(~waterLevel~0)| 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse8) (or .cse9 .cse0 .cse1 .cse2 .cse3 .cse5) (let ((.cse11 (not (= ~waterLevel~0 1)))) (or .cse10 .cse2 (and .cse11 .cse8) (and (or .cse0 .cse3 .cse4) (or .cse9 .cse0 .cse3)) (and (= 0 ~methaneLevelCritical~0) .cse11 .cse7))) (or (< ~methaneLevelCritical~0 1) .cse6 .cse8) (or (and (or .cse9 .cse3) (or .cse3 .cse4)) (and (= 1 ~waterLevel~0) .cse8) .cse0 .cse2 (not .cse10)))))) [2018-12-09 01:24:44,640 INFO L444 ceAbstractionStarter]: At program point L538(line 538) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse3 (not (= ~systemActive~0 1)))) (and (or (and (or .cse0 .cse1) (or .cse1 .cse2)) (not (= 0 |old(~pumpRunning~0)|)) .cse3) (or (or .cse3 (and (or .cse4 .cse1 .cse2) (or .cse0 .cse4 .cse1))) (and (= ~methAndRunningLastTime~0 0) (= ~pumpRunning~0 1))) (or (= ~waterLevel~0 2) (let ((.cse5 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse4 .cse1 .cse2 .cse5) (or .cse0 .cse4 .cse1 .cse5))) .cse3))) [2018-12-09 01:24:44,640 INFO L448 ceAbstractionStarter]: For program point L536(lines 535 554) no Hoare annotation was computed. [2018-12-09 01:24:44,640 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 532 555) the Hoare annotation is: (let ((.cse12 (= ~methaneLevelCritical~0 0)) (.cse14 (= ~methaneLevelCritical~0 1))) (let ((.cse0 (= ~methAndRunningLastTime~0 0)) (.cse5 (not .cse14)) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse4 (not .cse12))) (let ((.cse10 (= ~waterLevel~0 2)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse11 (not (= |old(~waterLevel~0)| 2))) (.cse7 (and (or .cse5 .cse3) (or .cse3 .cse4))) (.cse9 (let ((.cse13 (= ~pumpRunning~0 0))) (or (and .cse0 .cse12 .cse13) (and .cse0 .cse14 .cse13)))) (.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse6 (= |old(~waterLevel~0)| 1))) (and (or (and .cse0 (= ~pumpRunning~0 1)) (or .cse1 (and (or .cse2 .cse3 .cse4) (or .cse5 .cse2 .cse3)))) (or .cse6 .cse7 .cse8 .cse1 (and (not (= ~waterLevel~0 1)) .cse9)) (or .cse8 .cse1 .cse10 .cse3 .cse4 .cse11) (or .cse5 .cse8 .cse10 .cse1 .cse3 .cse11) (or .cse10 (and (or .cse2 .cse3 .cse4 .cse11) (or .cse5 .cse2 .cse3 .cse11)) .cse1) (or .cse7 (and (= 1 ~waterLevel~0) .cse9) .cse8 .cse1 (not .cse6)))))) [2018-12-09 01:24:44,640 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 532 555) no Hoare annotation was computed. [2018-12-09 01:24:44,640 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 532 555) no Hoare annotation was computed. [2018-12-09 01:24:44,640 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 417 446) no Hoare annotation was computed. [2018-12-09 01:24:44,640 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 417 446) the Hoare annotation is: true [2018-12-09 01:24:44,640 INFO L451 ceAbstractionStarter]: At program point L442(lines 417 446) the Hoare annotation is: true [2018-12-09 01:24:44,640 INFO L448 ceAbstractionStarter]: For program point L438(line 438) no Hoare annotation was computed. [2018-12-09 01:24:44,641 INFO L448 ceAbstractionStarter]: For program point L431(lines 431 435) no Hoare annotation was computed. [2018-12-09 01:24:44,641 INFO L451 ceAbstractionStarter]: At program point L431-1(lines 431 435) the Hoare annotation is: true [2018-12-09 01:24:44,641 INFO L448 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-12-09 01:24:44,641 INFO L451 ceAbstractionStarter]: At program point L427-2(lines 427 441) the Hoare annotation is: true [2018-12-09 01:24:44,641 INFO L451 ceAbstractionStarter]: At program point L423(line 423) the Hoare annotation is: true [2018-12-09 01:24:44,641 INFO L448 ceAbstractionStarter]: For program point L423-1(line 423) no Hoare annotation was computed. [2018-12-09 01:24:44,641 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 792 803) the Hoare annotation is: (or (let ((.cse0 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse3 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3))) (= ~waterLevel~0 2)) [2018-12-09 01:24:44,641 INFO L448 ceAbstractionStarter]: For program point L796-1(lines 792 803) no Hoare annotation was computed. [2018-12-09 01:24:44,641 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 792 803) no Hoare annotation was computed. [2018-12-09 01:24:44,641 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 474 480) no Hoare annotation was computed. [2018-12-09 01:24:44,641 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 474 480) the Hoare annotation is: true [2018-12-09 01:24:44,641 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 01:24:44,641 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-09 01:24:44,641 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 01:24:44,641 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 01:24:44,641 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 804 815) no Hoare annotation was computed. [2018-12-09 01:24:44,641 INFO L448 ceAbstractionStarter]: For program point L808-1(lines 804 815) no Hoare annotation was computed. [2018-12-09 01:24:44,641 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 804 815) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse3 (= ~waterLevel~0 2)) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse5 (not (= |old(~waterLevel~0)| 2))) (.cse2 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (or .cse1 .cse2) .cse3 .cse4 .cse5) (or (and (or .cse0 .cse1 .cse2 .cse4) (or .cse1 .cse2 .cse4 .cse6)) (= 1 ~waterLevel~0) (not (= |old(~waterLevel~0)| 1))) (or .cse3 (or .cse1 .cse2 .cse6) .cse4 .cse5) (or .cse3 (or (not (= 1 ~pumpRunning~0)) .cse4 .cse5) (or .cse2 .cse6)))) [2018-12-09 01:24:44,641 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 406 413) no Hoare annotation was computed. [2018-12-09 01:24:44,641 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 406 413) the Hoare annotation is: true [2018-12-09 01:24:44,641 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 410) no Hoare annotation was computed. [2018-12-09 01:24:44,642 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 406 413) no Hoare annotation was computed. [2018-12-09 01:24:44,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 01:24:44 BoogieIcfgContainer [2018-12-09 01:24:44,649 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 01:24:44,649 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 01:24:44,649 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 01:24:44,650 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 01:24:44,650 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:24:19" (3/4) ... [2018-12-09 01:24:44,652 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 01:24:44,656 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-09 01:24:44,656 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-09 01:24:44,656 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 01:24:44,656 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-12-09 01:24:44,656 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-09 01:24:44,656 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-09 01:24:44,656 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-09 01:24:44,657 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-09 01:24:44,657 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-09 01:24:44,657 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-09 01:24:44,657 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-09 01:24:44,657 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-09 01:24:44,657 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-09 01:24:44,657 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__highWaterSensor [2018-12-09 01:24:44,657 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-12-09 01:24:44,657 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-12-09 01:24:44,657 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 01:24:44,657 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-09 01:24:44,657 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-09 01:24:44,657 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-09 01:24:44,657 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-09 01:24:44,657 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-09 01:24:44,657 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-09 01:24:44,657 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-09 01:24:44,657 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-09 01:24:44,658 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-09 01:24:44,658 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-09 01:24:44,661 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-12-09 01:24:44,661 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-09 01:24:44,662 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-09 01:24:44,662 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 01:24:44,662 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 01:24:44,662 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 01:24:44,679 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0 == methaneLevelCritical && methAndRunningLastTime == 0 && pumpRunning == 1) && splverifierCounter == 0) || ((((methAndRunningLastTime == 0 && methaneLevelCritical == 0) || (methAndRunningLastTime == 0 && methaneLevelCritical == 1)) && 0 == pumpRunning) && splverifierCounter == 0)) || !(systemActive == 1) || !(\old(methAndRunningLastTime) == 0)) || !(0 == \old(pumpRunning))) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 01:24:44,679 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(waterLevel) == 1) || ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 01:24:44,701 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a53d0908-7f2b-432b-ba9d-e8d45581c345/bin-2019/utaipan/witness.graphml [2018-12-09 01:24:44,701 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 01:24:44,701 INFO L168 Benchmark]: Toolchain (without parser) took 25951.64 ms. Allocated memory was 1.0 GB in the beginning and 2.6 GB in the end (delta: 1.6 GB). Free memory was 953.5 MB in the beginning and 1.7 GB in the end (delta: -735.4 MB). Peak memory consumption was 829.1 MB. Max. memory is 11.5 GB. [2018-12-09 01:24:44,702 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 01:24:44,702 INFO L168 Benchmark]: CACSL2BoogieTranslator took 294.19 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.8 MB). Free memory was 953.5 MB in the beginning and 1.1 GB in the end (delta: -123.9 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. [2018-12-09 01:24:44,702 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.10 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 01:24:44,702 INFO L168 Benchmark]: Boogie Preprocessor took 23.97 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 01:24:44,702 INFO L168 Benchmark]: RCFGBuilder took 324.92 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 50.5 MB). Peak memory consumption was 50.5 MB. Max. memory is 11.5 GB. [2018-12-09 01:24:44,702 INFO L168 Benchmark]: TraceAbstraction took 25227.34 ms. Allocated memory was 1.1 GB in the beginning and 2.6 GB in the end (delta: 1.5 GB). Free memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: -696.4 MB). Peak memory consumption was 1.6 GB. Max. memory is 11.5 GB. [2018-12-09 01:24:44,702 INFO L168 Benchmark]: Witness Printer took 51.41 ms. Allocated memory is still 2.6 GB. Free memory was 1.7 GB in the beginning and 1.7 GB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 11.5 GB. [2018-12-09 01:24:44,703 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 294.19 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.8 MB). Free memory was 953.5 MB in the beginning and 1.1 GB in the end (delta: -123.9 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.10 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.97 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 324.92 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 50.5 MB). Peak memory consumption was 50.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 25227.34 ms. Allocated memory was 1.1 GB in the beginning and 2.6 GB in the end (delta: 1.5 GB). Free memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: -696.4 MB). Peak memory consumption was 1.6 GB. Max. memory is 11.5 GB. * Witness Printer took 51.41 ms. Allocated memory is still 2.6 GB. Free memory was 1.7 GB in the beginning and 1.7 GB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 410]: 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: 734]: Loop Invariant Derived loop invariant: ((((((0 == methaneLevelCritical && methAndRunningLastTime == 0 && pumpRunning == 1) && splverifierCounter == 0) || ((((methAndRunningLastTime == 0 && methaneLevelCritical == 0) || (methAndRunningLastTime == 0 && methaneLevelCritical == 1)) && 0 == pumpRunning) && splverifierCounter == 0)) || !(systemActive == 1) || !(\old(methAndRunningLastTime) == 0)) || !(0 == \old(pumpRunning))) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 733]: Loop Invariant Derived loop invariant: !(\old(waterLevel) == 1) || ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 427]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 417]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 28 procedures, 148 locations, 1 error locations. SAFE Result, 25.1s OverallTime, 14 OverallIterations, 6 TraceHistogramMax, 10.7s AutomataDifference, 0.0s DeadEndRemovalTime, 5.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2897 SDtfs, 2483 SDslu, 10122 SDs, 0 SdLazy, 5178 SolverSat, 695 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.7s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 2022 GetRequests, 1838 SyntacticMatches, 20 SemanticMatches, 164 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 615 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2718occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 5.0s AbstIntTime, 5 AbstIntIterations, 2 AbstIntStrong, 0.99688931163576 AbsIntWeakeningRatio, 0.898876404494382 AbsIntAvgWeakeningVarsNumRemoved, 49.29588014981273 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 14 MinimizatonAttempts, 271 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 4524 PreInvPairs, 4681 NumberOfFragments, 2878 HoareAnnotationTreeSize, 4524 FomulaSimplifications, 8908 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 62 FomulaSimplificationsInter, 43096 FormulaSimplificationTreeSizeReductionInter, 4.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 2588 NumberOfCodeBlocks, 2588 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 3374 ConstructedInterpolants, 0 QuantifiedInterpolants, 965047 SizeOfPredicates, 8 NumberOfNonLiveVariables, 3509 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 20 InterpolantComputations, 12 PerfectInterpolantSequences, 2483/2605 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...