./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product54_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_34c565fb-09b0-423a-baca-e919dd2a7b9e/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_34c565fb-09b0-423a-baca-e919dd2a7b9e/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_34c565fb-09b0-423a-baca-e919dd2a7b9e/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_34c565fb-09b0-423a-baca-e919dd2a7b9e/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product54_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_34c565fb-09b0-423a-baca-e919dd2a7b9e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_34c565fb-09b0-423a-baca-e919dd2a7b9e/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 59e8ffce74c1b6945f19c84278937c63a4a3dd33 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 11:52:41,063 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 11:52:41,064 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 11:52:41,071 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 11:52:41,071 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 11:52:41,072 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 11:52:41,073 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 11:52:41,075 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 11:52:41,076 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 11:52:41,077 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 11:52:41,077 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 11:52:41,078 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 11:52:41,079 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 11:52:41,080 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 11:52:41,080 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 11:52:41,081 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 11:52:41,081 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 11:52:41,083 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 11:52:41,084 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 11:52:41,085 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 11:52:41,085 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 11:52:41,086 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 11:52:41,088 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 11:52:41,089 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 11:52:41,089 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 11:52:41,089 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 11:52:41,090 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 11:52:41,091 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 11:52:41,091 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 11:52:41,092 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 11:52:41,092 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 11:52:41,093 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 11:52:41,093 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 11:52:41,093 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 11:52:41,094 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 11:52:41,095 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 11:52:41,095 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_34c565fb-09b0-423a-baca-e919dd2a7b9e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-10 11:52:41,103 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 11:52:41,103 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 11:52:41,104 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 11:52:41,104 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 11:52:41,104 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 11:52:41,105 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 11:52:41,105 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 11:52:41,105 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 11:52:41,105 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 11:52:41,105 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 11:52:41,105 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 11:52:41,106 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 11:52:41,106 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 11:52:41,106 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 11:52:41,106 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 11:52:41,107 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 11:52:41,107 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 11:52:41,107 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 11:52:41,107 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 11:52:41,107 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 11:52:41,107 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 11:52:41,108 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 11:52:41,108 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 11:52:41,108 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 11:52:41,108 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 11:52:41,108 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 11:52:41,108 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 11:52:41,109 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 11:52:41,109 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 11:52:41,109 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 11:52:41,109 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 11:52:41,109 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 11:52:41,109 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 11:52:41,109 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 11:52:41,110 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_34c565fb-09b0-423a-baca-e919dd2a7b9e/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 -> 59e8ffce74c1b6945f19c84278937c63a4a3dd33 [2018-11-10 11:52:41,136 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 11:52:41,146 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 11:52:41,149 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 11:52:41,150 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 11:52:41,150 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 11:52:41,151 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_34c565fb-09b0-423a-baca-e919dd2a7b9e/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product54_true-unreach-call_false-termination.cil.c [2018-11-10 11:52:41,203 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_34c565fb-09b0-423a-baca-e919dd2a7b9e/bin-2019/utaipan/data/4988ebbf3/ae167694f33f40778417495ba8d773c7/FLAGde252fd04 [2018-11-10 11:52:41,599 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 11:52:41,600 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_34c565fb-09b0-423a-baca-e919dd2a7b9e/sv-benchmarks/c/product-lines/minepump_spec3_product54_true-unreach-call_false-termination.cil.c [2018-11-10 11:52:41,608 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_34c565fb-09b0-423a-baca-e919dd2a7b9e/bin-2019/utaipan/data/4988ebbf3/ae167694f33f40778417495ba8d773c7/FLAGde252fd04 [2018-11-10 11:52:41,621 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_34c565fb-09b0-423a-baca-e919dd2a7b9e/bin-2019/utaipan/data/4988ebbf3/ae167694f33f40778417495ba8d773c7 [2018-11-10 11:52:41,624 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 11:52:41,625 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 11:52:41,626 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 11:52:41,626 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 11:52:41,630 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 11:52:41,631 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:52:41" (1/1) ... [2018-11-10 11:52:41,633 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70607c0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:41, skipping insertion in model container [2018-11-10 11:52:41,634 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:52:41" (1/1) ... [2018-11-10 11:52:41,643 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 11:52:41,682 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 11:52:41,902 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 11:52:41,911 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 11:52:41,971 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 11:52:41,990 INFO L193 MainTranslator]: Completed translation [2018-11-10 11:52:41,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:41 WrapperNode [2018-11-10 11:52:41,991 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 11:52:41,991 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 11:52:41,992 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 11:52:41,992 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 11:52:42,047 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:41" (1/1) ... [2018-11-10 11:52:42,064 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:41" (1/1) ... [2018-11-10 11:52:42,086 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 11:52:42,086 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 11:52:42,086 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 11:52:42,086 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 11:52:42,093 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:41" (1/1) ... [2018-11-10 11:52:42,093 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:41" (1/1) ... [2018-11-10 11:52:42,098 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:41" (1/1) ... [2018-11-10 11:52:42,098 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:41" (1/1) ... [2018-11-10 11:52:42,105 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:41" (1/1) ... [2018-11-10 11:52:42,110 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:41" (1/1) ... [2018-11-10 11:52:42,114 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:41" (1/1) ... [2018-11-10 11:52:42,119 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 11:52:42,119 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 11:52:42,119 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 11:52:42,119 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 11:52:42,120 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_34c565fb-09b0-423a-baca-e919dd2a7b9e/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 [2018-11-10 11:52:42,164 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-10 11:52:42,164 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-10 11:52:42,164 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 11:52:42,165 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 11:52:42,165 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-10 11:52:42,165 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-10 11:52:42,165 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-10 11:52:42,165 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-10 11:52:42,165 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-10 11:52:42,165 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-10 11:52:42,166 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-10 11:52:42,166 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-10 11:52:42,166 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-10 11:52:42,166 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-10 11:52:42,166 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-10 11:52:42,166 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-10 11:52:42,166 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-10 11:52:42,167 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-10 11:52:42,167 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-10 11:52:42,167 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-10 11:52:42,167 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-10 11:52:42,167 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-10 11:52:42,167 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-10 11:52:42,167 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-10 11:52:42,168 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-10 11:52:42,168 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-10 11:52:42,168 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-10 11:52:42,168 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-10 11:52:42,168 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-10 11:52:42,168 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-10 11:52:42,168 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-10 11:52:42,169 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-10 11:52:42,169 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-10 11:52:42,169 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-10 11:52:42,169 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-10 11:52:42,169 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-10 11:52:42,169 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-10 11:52:42,169 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-10 11:52:42,169 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-10 11:52:42,170 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-10 11:52:42,170 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-10 11:52:42,170 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-10 11:52:42,170 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-10 11:52:42,170 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-10 11:52:42,170 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-10 11:52:42,170 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-10 11:52:42,170 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-10 11:52:42,171 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-10 11:52:42,171 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-10 11:52:42,171 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-10 11:52:42,171 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-10 11:52:42,171 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-10 11:52:42,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 11:52:42,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 11:52:42,172 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-10 11:52:42,172 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-10 11:52:42,172 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-11-10 11:52:42,172 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-11-10 11:52:42,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 11:52:42,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 11:52:42,172 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-10 11:52:42,172 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-10 11:52:42,681 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 11:52:42,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:52:42 BoogieIcfgContainer [2018-11-10 11:52:42,682 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 11:52:42,683 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 11:52:42,683 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 11:52:42,686 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 11:52:42,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 11:52:41" (1/3) ... [2018-11-10 11:52:42,687 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1efe1654 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 11:52:42, skipping insertion in model container [2018-11-10 11:52:42,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:41" (2/3) ... [2018-11-10 11:52:42,687 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1efe1654 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 11:52:42, skipping insertion in model container [2018-11-10 11:52:42,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:52:42" (3/3) ... [2018-11-10 11:52:42,689 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product54_true-unreach-call_false-termination.cil.c [2018-11-10 11:52:42,698 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 11:52:42,706 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 11:52:42,721 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 11:52:42,752 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 11:52:42,752 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 11:52:42,753 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 11:52:42,753 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 11:52:42,753 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 11:52:42,753 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 11:52:42,753 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 11:52:42,753 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 11:52:42,773 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states. [2018-11-10 11:52:42,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-10 11:52:42,782 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:52:42,783 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 11:52:42,786 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 11:52:42,791 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:52:42,791 INFO L82 PathProgramCache]: Analyzing trace with hash -896266441, now seen corresponding path program 1 times [2018-11-10 11:52:42,794 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 11:52:42,843 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:52:42,843 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:52:42,843 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:52:42,843 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 11:52:42,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:52:43,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:52:43,021 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 11:52:43,021 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 11:52:43,021 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 11:52:43,026 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 11:52:43,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 11:52:43,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 11:52:43,039 INFO L87 Difference]: Start difference. First operand 168 states. Second operand 2 states. [2018-11-10 11:52:43,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:52:43,072 INFO L93 Difference]: Finished difference Result 310 states and 383 transitions. [2018-11-10 11:52:43,072 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 11:52:43,073 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-11-10 11:52:43,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:52:43,081 INFO L225 Difference]: With dead ends: 310 [2018-11-10 11:52:43,082 INFO L226 Difference]: Without dead ends: 155 [2018-11-10 11:52:43,084 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 11:52:43,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2018-11-10 11:52:43,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2018-11-10 11:52:43,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2018-11-10 11:52:43,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 183 transitions. [2018-11-10 11:52:43,129 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 183 transitions. Word has length 52 [2018-11-10 11:52:43,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:52:43,130 INFO L481 AbstractCegarLoop]: Abstraction has 155 states and 183 transitions. [2018-11-10 11:52:43,130 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 11:52:43,130 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 183 transitions. [2018-11-10 11:52:43,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-10 11:52:43,133 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:52:43,134 INFO L375 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] [2018-11-10 11:52:43,134 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 11:52:43,134 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:52:43,134 INFO L82 PathProgramCache]: Analyzing trace with hash -1023263298, now seen corresponding path program 1 times [2018-11-10 11:52:43,135 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 11:52:43,136 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:52:43,136 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:52:43,136 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:52:43,136 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 11:52:43,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:52:43,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:52:43,244 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 11:52:43,244 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 11:52:43,244 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 11:52:43,247 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 11:52:43,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 11:52:43,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 11:52:43,247 INFO L87 Difference]: Start difference. First operand 155 states and 183 transitions. Second operand 3 states. [2018-11-10 11:52:43,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:52:43,271 INFO L93 Difference]: Finished difference Result 253 states and 299 transitions. [2018-11-10 11:52:43,272 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 11:52:43,272 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2018-11-10 11:52:43,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:52:43,274 INFO L225 Difference]: With dead ends: 253 [2018-11-10 11:52:43,275 INFO L226 Difference]: Without dead ends: 145 [2018-11-10 11:52:43,276 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 11:52:43,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2018-11-10 11:52:43,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2018-11-10 11:52:43,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2018-11-10 11:52:43,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 170 transitions. [2018-11-10 11:52:43,289 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 170 transitions. Word has length 54 [2018-11-10 11:52:43,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:52:43,289 INFO L481 AbstractCegarLoop]: Abstraction has 145 states and 170 transitions. [2018-11-10 11:52:43,289 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 11:52:43,289 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 170 transitions. [2018-11-10 11:52:43,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-10 11:52:43,291 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:52:43,292 INFO L375 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] [2018-11-10 11:52:43,292 INFO L424 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 11:52:43,292 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:52:43,292 INFO L82 PathProgramCache]: Analyzing trace with hash -860533055, now seen corresponding path program 1 times [2018-11-10 11:52:43,292 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 11:52:43,293 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:52:43,293 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:52:43,293 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:52:43,293 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 11:52:43,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:52:43,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:52:43,426 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 11:52:43,426 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 11:52:43,426 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 11:52:43,427 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 11:52:43,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 11:52:43,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-10 11:52:43,428 INFO L87 Difference]: Start difference. First operand 145 states and 170 transitions. Second operand 7 states. [2018-11-10 11:52:43,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:52:43,763 INFO L93 Difference]: Finished difference Result 266 states and 317 transitions. [2018-11-10 11:52:43,764 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 11:52:43,764 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 59 [2018-11-10 11:52:43,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:52:43,765 INFO L225 Difference]: With dead ends: 266 [2018-11-10 11:52:43,766 INFO L226 Difference]: Without dead ends: 145 [2018-11-10 11:52:43,767 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-10 11:52:43,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2018-11-10 11:52:43,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2018-11-10 11:52:43,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2018-11-10 11:52:43,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 169 transitions. [2018-11-10 11:52:43,781 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 169 transitions. Word has length 59 [2018-11-10 11:52:43,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:52:43,781 INFO L481 AbstractCegarLoop]: Abstraction has 145 states and 169 transitions. [2018-11-10 11:52:43,781 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 11:52:43,781 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 169 transitions. [2018-11-10 11:52:43,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-10 11:52:43,783 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:52:43,783 INFO L375 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] [2018-11-10 11:52:43,784 INFO L424 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 11:52:43,784 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:52:43,784 INFO L82 PathProgramCache]: Analyzing trace with hash 590969671, now seen corresponding path program 1 times [2018-11-10 11:52:43,784 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 11:52:43,785 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:52:43,785 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:52:43,786 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:52:43,786 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 11:52:43,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:52:43,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:52:43,893 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 11:52:43,894 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 11:52:43,894 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 11:52:43,894 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 11:52:43,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 11:52:43,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-10 11:52:43,895 INFO L87 Difference]: Start difference. First operand 145 states and 169 transitions. Second operand 5 states. [2018-11-10 11:52:44,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:52:44,352 INFO L93 Difference]: Finished difference Result 387 states and 467 transitions. [2018-11-10 11:52:44,352 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-10 11:52:44,353 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 77 [2018-11-10 11:52:44,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:52:44,355 INFO L225 Difference]: With dead ends: 387 [2018-11-10 11:52:44,355 INFO L226 Difference]: Without dead ends: 266 [2018-11-10 11:52:44,356 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-10 11:52:44,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2018-11-10 11:52:44,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 246. [2018-11-10 11:52:44,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 246 states. [2018-11-10 11:52:44,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 279 transitions. [2018-11-10 11:52:44,381 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 279 transitions. Word has length 77 [2018-11-10 11:52:44,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:52:44,382 INFO L481 AbstractCegarLoop]: Abstraction has 246 states and 279 transitions. [2018-11-10 11:52:44,382 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 11:52:44,382 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 279 transitions. [2018-11-10 11:52:44,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-11-10 11:52:44,383 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:52:44,384 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 11:52:44,384 INFO L424 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 11:52:44,384 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:52:44,384 INFO L82 PathProgramCache]: Analyzing trace with hash 235947442, now seen corresponding path program 1 times [2018-11-10 11:52:44,384 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 11:52:44,385 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:52:44,385 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:52:44,385 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:52:44,385 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 11:52:44,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:52:44,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:52:44,475 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 11:52:44,475 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 11:52:44,475 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 11:52:44,476 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 11:52:44,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 11:52:44,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-10 11:52:44,476 INFO L87 Difference]: Start difference. First operand 246 states and 279 transitions. Second operand 6 states. [2018-11-10 11:52:44,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:52:44,634 INFO L93 Difference]: Finished difference Result 597 states and 710 transitions. [2018-11-10 11:52:44,634 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-10 11:52:44,634 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 91 [2018-11-10 11:52:44,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:52:44,637 INFO L225 Difference]: With dead ends: 597 [2018-11-10 11:52:44,637 INFO L226 Difference]: Without dead ends: 375 [2018-11-10 11:52:44,638 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-10 11:52:44,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2018-11-10 11:52:44,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 371. [2018-11-10 11:52:44,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 371 states. [2018-11-10 11:52:44,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 426 transitions. [2018-11-10 11:52:44,664 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 426 transitions. Word has length 91 [2018-11-10 11:52:44,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:52:44,665 INFO L481 AbstractCegarLoop]: Abstraction has 371 states and 426 transitions. [2018-11-10 11:52:44,665 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 11:52:44,665 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 426 transitions. [2018-11-10 11:52:44,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-11-10 11:52:44,667 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:52:44,667 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 11:52:44,667 INFO L424 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 11:52:44,667 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:52:44,668 INFO L82 PathProgramCache]: Analyzing trace with hash -984578100, now seen corresponding path program 1 times [2018-11-10 11:52:44,668 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 11:52:44,668 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:52:44,668 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:52:44,669 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:52:44,669 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 11:52:44,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:52:44,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:52:44,771 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 11:52:44,771 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 11:52:44,771 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 11:52:44,772 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 11:52:44,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 11:52:44,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-10 11:52:44,773 INFO L87 Difference]: Start difference. First operand 371 states and 426 transitions. Second operand 6 states. [2018-11-10 11:52:44,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:52:44,985 INFO L93 Difference]: Finished difference Result 810 states and 967 transitions. [2018-11-10 11:52:44,986 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 11:52:44,986 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 95 [2018-11-10 11:52:44,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:52:44,989 INFO L225 Difference]: With dead ends: 810 [2018-11-10 11:52:44,989 INFO L226 Difference]: Without dead ends: 588 [2018-11-10 11:52:44,990 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-10 11:52:44,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 588 states. [2018-11-10 11:52:45,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 588 to 570. [2018-11-10 11:52:45,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 570 states. [2018-11-10 11:52:45,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 570 states and 670 transitions. [2018-11-10 11:52:45,025 INFO L78 Accepts]: Start accepts. Automaton has 570 states and 670 transitions. Word has length 95 [2018-11-10 11:52:45,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:52:45,025 INFO L481 AbstractCegarLoop]: Abstraction has 570 states and 670 transitions. [2018-11-10 11:52:45,025 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 11:52:45,025 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 670 transitions. [2018-11-10 11:52:45,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-11-10 11:52:45,027 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:52:45,027 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 11:52:45,028 INFO L424 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 11:52:45,028 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:52:45,028 INFO L82 PathProgramCache]: Analyzing trace with hash 1374728909, now seen corresponding path program 1 times [2018-11-10 11:52:45,028 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 11:52:45,029 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:52:45,029 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:52:45,029 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:52:45,029 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 11:52:45,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:52:45,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:52:45,097 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 11:52:45,097 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 11:52:45,097 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 11:52:45,097 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 11:52:45,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 11:52:45,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-10 11:52:45,098 INFO L87 Difference]: Start difference. First operand 570 states and 670 transitions. Second operand 5 states. [2018-11-10 11:52:45,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:52:45,124 INFO L93 Difference]: Finished difference Result 1001 states and 1203 transitions. [2018-11-10 11:52:45,125 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-10 11:52:45,125 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 95 [2018-11-10 11:52:45,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:52:45,128 INFO L225 Difference]: With dead ends: 1001 [2018-11-10 11:52:45,128 INFO L226 Difference]: Without dead ends: 580 [2018-11-10 11:52:45,129 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-10 11:52:45,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2018-11-10 11:52:45,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 574. [2018-11-10 11:52:45,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 574 states. [2018-11-10 11:52:45,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 574 states and 673 transitions. [2018-11-10 11:52:45,152 INFO L78 Accepts]: Start accepts. Automaton has 574 states and 673 transitions. Word has length 95 [2018-11-10 11:52:45,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:52:45,152 INFO L481 AbstractCegarLoop]: Abstraction has 574 states and 673 transitions. [2018-11-10 11:52:45,152 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 11:52:45,153 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 673 transitions. [2018-11-10 11:52:45,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-11-10 11:52:45,154 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:52:45,154 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 11:52:45,155 INFO L424 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 11:52:45,155 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:52:45,155 INFO L82 PathProgramCache]: Analyzing trace with hash 2034260431, now seen corresponding path program 1 times [2018-11-10 11:52:45,155 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 11:52:45,156 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:52:45,156 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:52:45,156 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:52:45,156 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 11:52:45,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:52:45,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:52:45,262 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 11:52:45,262 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-10 11:52:45,262 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 11:52:45,263 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 11:52:45,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 11:52:45,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-10 11:52:45,263 INFO L87 Difference]: Start difference. First operand 574 states and 673 transitions. Second operand 9 states. [2018-11-10 11:52:45,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:52:45,312 INFO L93 Difference]: Finished difference Result 1128 states and 1350 transitions. [2018-11-10 11:52:45,313 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-10 11:52:45,313 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 95 [2018-11-10 11:52:45,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:52:45,315 INFO L225 Difference]: With dead ends: 1128 [2018-11-10 11:52:45,315 INFO L226 Difference]: Without dead ends: 578 [2018-11-10 11:52:45,317 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-11-10 11:52:45,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2018-11-10 11:52:45,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 572. [2018-11-10 11:52:45,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 572 states. [2018-11-10 11:52:45,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 572 states and 669 transitions. [2018-11-10 11:52:45,337 INFO L78 Accepts]: Start accepts. Automaton has 572 states and 669 transitions. Word has length 95 [2018-11-10 11:52:45,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:52:45,337 INFO L481 AbstractCegarLoop]: Abstraction has 572 states and 669 transitions. [2018-11-10 11:52:45,337 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 11:52:45,337 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 669 transitions. [2018-11-10 11:52:45,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-11-10 11:52:45,339 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:52:45,339 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 11:52:45,339 INFO L424 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 11:52:45,339 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:52:45,340 INFO L82 PathProgramCache]: Analyzing trace with hash 1980778066, now seen corresponding path program 1 times [2018-11-10 11:52:45,340 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 11:52:45,340 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:52:45,341 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:52:45,341 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:52:45,341 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 11:52:45,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:52:45,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:52:45,443 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 11:52:45,444 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-10 11:52:45,444 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 11:52:45,444 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-10 11:52:45,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-10 11:52:45,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-10 11:52:45,444 INFO L87 Difference]: Start difference. First operand 572 states and 669 transitions. Second operand 10 states. [2018-11-10 11:52:45,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:52:45,697 INFO L93 Difference]: Finished difference Result 1126 states and 1320 transitions. [2018-11-10 11:52:45,698 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-10 11:52:45,698 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 96 [2018-11-10 11:52:45,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:52:45,700 INFO L225 Difference]: With dead ends: 1126 [2018-11-10 11:52:45,700 INFO L226 Difference]: Without dead ends: 578 [2018-11-10 11:52:45,701 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-11-10 11:52:45,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2018-11-10 11:52:45,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 557. [2018-11-10 11:52:45,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 557 states. [2018-11-10 11:52:45,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 557 states and 634 transitions. [2018-11-10 11:52:45,720 INFO L78 Accepts]: Start accepts. Automaton has 557 states and 634 transitions. Word has length 96 [2018-11-10 11:52:45,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:52:45,721 INFO L481 AbstractCegarLoop]: Abstraction has 557 states and 634 transitions. [2018-11-10 11:52:45,721 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-10 11:52:45,721 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 634 transitions. [2018-11-10 11:52:45,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-11-10 11:52:45,723 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:52:45,724 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 11:52:45,724 INFO L424 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 11:52:45,724 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:52:45,724 INFO L82 PathProgramCache]: Analyzing trace with hash -1559377250, now seen corresponding path program 1 times [2018-11-10 11:52:45,724 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 11:52:45,725 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:52:45,725 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:52:45,725 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:52:45,725 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 11:52:45,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:52:45,797 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 11:52:45,797 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 11:52:45,798 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-10 11:52:45,798 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 146 with the following transitions: [2018-11-10 11:52:45,800 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [31], [34], [36], [37], [38], [39], [40], [43], [45], [46], [49], [51], [54], [61], [64], [66], [70], [76], [80], [84], [87], [90], [92], [98], [100], [106], [109], [121], [122], [123], [124], [125], [126], [127], [129], [132], [136], [137], [145], [146], [176], [179], [183], [189], [190], [192], [195], [197], [199], [202], [204], [209], [215], [218], [222], [226], [229], [232], [234], [237], [247], [250], [254], [255], [258], [273], [276], [277], [278], [279], [280], [281], [282], [283], [284], [285], [289], [291], [292], [293], [294], [295], [296], [299], [300], [301], [302], [307], [308], [311], [312], [317], [318], [319], [320], [321], [322], [323], [324], [325], [326], [327], [328], [329], [331], [332], [333], [335], [336], [337], [338], [349], [350] [2018-11-10 11:52:45,845 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-10 11:52:45,845 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-10 11:52:57,936 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-10 11:52:57,937 INFO L272 AbstractInterpreter]: Visited 67 different actions 100 times. Merged at 6 different actions 6 times. Never widened. Never found a fixpoint. Largest state had 133 variables. [2018-11-10 11:52:57,955 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:52:57,955 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-10 11:53:16,593 INFO L227 lantSequenceWeakener]: Weakened 79 states. On average, predicates are now at 96.35% of their original sizes. [2018-11-10 11:53:16,594 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-10 11:53:17,639 INFO L415 sIntCurrentIteration]: We unified 144 AI predicates to 144 [2018-11-10 11:53:17,639 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-10 11:53:17,640 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-10 11:53:17,640 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [27] imperfect sequences [6] total 31 [2018-11-10 11:53:17,640 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 11:53:17,640 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-11-10 11:53:17,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-11-10 11:53:17,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=581, Unknown=0, NotChecked=0, Total=702 [2018-11-10 11:53:17,641 INFO L87 Difference]: Start difference. First operand 557 states and 634 transitions. Second operand 27 states. [2018-11-10 11:53:48,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:53:48,706 INFO L93 Difference]: Finished difference Result 1292 states and 1521 transitions. [2018-11-10 11:53:48,706 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-11-10 11:53:48,706 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 145 [2018-11-10 11:53:48,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:53:48,710 INFO L225 Difference]: With dead ends: 1292 [2018-11-10 11:53:48,710 INFO L226 Difference]: Without dead ends: 759 [2018-11-10 11:53:48,712 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 158 GetRequests, 116 SyntacticMatches, 3 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 415 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=267, Invalid=1373, Unknown=0, NotChecked=0, Total=1640 [2018-11-10 11:53:48,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 759 states. [2018-11-10 11:53:48,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 759 to 714. [2018-11-10 11:53:48,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 714 states. [2018-11-10 11:53:48,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 714 states to 714 states and 807 transitions. [2018-11-10 11:53:48,777 INFO L78 Accepts]: Start accepts. Automaton has 714 states and 807 transitions. Word has length 145 [2018-11-10 11:53:48,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:53:48,777 INFO L481 AbstractCegarLoop]: Abstraction has 714 states and 807 transitions. [2018-11-10 11:53:48,777 INFO L482 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-11-10 11:53:48,778 INFO L276 IsEmpty]: Start isEmpty. Operand 714 states and 807 transitions. [2018-11-10 11:53:48,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-10 11:53:48,780 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:53:48,780 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 11:53:48,781 INFO L424 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 11:53:48,781 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:53:48,781 INFO L82 PathProgramCache]: Analyzing trace with hash 1625640061, now seen corresponding path program 1 times [2018-11-10 11:53:48,781 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 11:53:48,782 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:53:48,782 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:53:48,782 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:53:48,782 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 11:53:48,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:53:48,883 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 11:53:48,883 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 11:53:48,883 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-10 11:53:48,884 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 150 with the following transitions: [2018-11-10 11:53:48,884 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [31], [34], [36], [37], [38], [39], [40], [44], [45], [46], [49], [51], [54], [61], [64], [66], [70], [76], [80], [84], [87], [90], [92], [95], [98], [100], [106], [109], [121], [122], [123], [124], [125], [126], [127], [129], [134], [136], [137], [142], [144], [145], [146], [176], [179], [183], [189], [190], [192], [195], [197], [199], [202], [204], [209], [215], [218], [222], [226], [229], [232], [234], [237], [247], [250], [254], [255], [258], [273], [276], [277], [278], [279], [280], [281], [282], [283], [284], [285], [289], [291], [292], [293], [294], [295], [296], [299], [300], [301], [302], [303], [304], [307], [308], [311], [312], [317], [318], [319], [320], [321], [322], [323], [324], [325], [326], [327], [328], [329], [331], [332], [333], [335], [336], [337], [338], [349], [350] [2018-11-10 11:53:48,888 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-10 11:53:48,888 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-10 11:55:26,325 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-10 11:55:26,325 INFO L272 AbstractInterpreter]: Visited 124 different actions 950 times. Merged at 22 different actions 93 times. Never widened. Found 16 fixpoints after 5 different actions. Largest state had 133 variables. [2018-11-10 11:55:26,334 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:55:26,334 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-10 11:56:06,134 INFO L227 lantSequenceWeakener]: Weakened 146 states. On average, predicates are now at 96.81% of their original sizes. [2018-11-10 11:56:06,134 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-10 11:56:09,860 INFO L415 sIntCurrentIteration]: We unified 148 AI predicates to 148 [2018-11-10 11:56:09,860 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-10 11:56:09,860 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-10 11:56:09,860 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [59] imperfect sequences [7] total 64 [2018-11-10 11:56:09,860 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 11:56:09,861 INFO L460 AbstractCegarLoop]: Interpolant automaton has 59 states [2018-11-10 11:56:09,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2018-11-10 11:56:09,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=262, Invalid=3160, Unknown=0, NotChecked=0, Total=3422 [2018-11-10 11:56:09,862 INFO L87 Difference]: Start difference. First operand 714 states and 807 transitions. Second operand 59 states. [2018-11-10 11:58:30,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:58:30,028 INFO L93 Difference]: Finished difference Result 2588 states and 3414 transitions. [2018-11-10 11:58:30,028 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2018-11-10 11:58:30,028 INFO L78 Accepts]: Start accepts. Automaton has 59 states. Word has length 149 [2018-11-10 11:58:30,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:58:30,034 INFO L225 Difference]: With dead ends: 2588 [2018-11-10 11:58:30,034 INFO L226 Difference]: Without dead ends: 2035 [2018-11-10 11:58:30,039 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 250 GetRequests, 78 SyntacticMatches, 13 SemanticMatches, 159 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8672 ImplicationChecksByTransitivity, 12.7s TimeCoverageRelationStatistics Valid=1961, Invalid=23799, Unknown=0, NotChecked=0, Total=25760 [2018-11-10 11:58:30,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2035 states. [2018-11-10 11:58:30,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2035 to 1517. [2018-11-10 11:58:30,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1517 states. [2018-11-10 11:58:30,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1517 states to 1517 states and 1728 transitions. [2018-11-10 11:58:30,202 INFO L78 Accepts]: Start accepts. Automaton has 1517 states and 1728 transitions. Word has length 149 [2018-11-10 11:58:30,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:58:30,202 INFO L481 AbstractCegarLoop]: Abstraction has 1517 states and 1728 transitions. [2018-11-10 11:58:30,202 INFO L482 AbstractCegarLoop]: Interpolant automaton has 59 states. [2018-11-10 11:58:30,203 INFO L276 IsEmpty]: Start isEmpty. Operand 1517 states and 1728 transitions. [2018-11-10 11:58:30,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-11-10 11:58:30,205 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:58:30,206 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 11:58:30,206 INFO L424 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 11:58:30,207 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:58:30,207 INFO L82 PathProgramCache]: Analyzing trace with hash -349701984, now seen corresponding path program 1 times [2018-11-10 11:58:30,207 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 11:58:30,208 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:58:30,208 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:58:30,208 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:58:30,208 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 11:58:30,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:58:30,277 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 11:58:30,278 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 11:58:30,278 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-10 11:58:30,278 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 146 with the following transitions: [2018-11-10 11:58:30,278 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [31], [34], [36], [37], [38], [39], [40], [43], [45], [46], [49], [51], [54], [61], [64], [66], [70], [76], [80], [84], [90], [92], [95], [98], [100], [106], [109], [121], [122], [123], [124], [125], [126], [127], [129], [132], [136], [137], [142], [144], [145], [146], [176], [179], [183], [189], [190], [192], [195], [197], [199], [202], [204], [209], [215], [218], [222], [226], [229], [232], [234], [237], [247], [255], [258], [273], [276], [277], [278], [279], [280], [281], [282], [283], [284], [285], [289], [291], [292], [293], [294], [295], [296], [299], [300], [303], [304], [307], [308], [311], [312], [317], [318], [319], [320], [321], [322], [323], [324], [325], [326], [327], [328], [329], [331], [332], [333], [335], [336], [337], [338], [349], [350] [2018-11-10 11:58:30,281 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-10 11:58:30,282 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-10 11:58:40,634 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-10 11:58:40,635 INFO L272 AbstractInterpreter]: Visited 67 different actions 98 times. Merged at 4 different actions 4 times. Never widened. Never found a fixpoint. Largest state had 133 variables. [2018-11-10 11:58:40,642 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:58:40,642 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-10 11:58:58,149 INFO L227 lantSequenceWeakener]: Weakened 79 states. On average, predicates are now at 96.35% of their original sizes. [2018-11-10 11:58:58,149 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-10 11:58:58,945 INFO L415 sIntCurrentIteration]: We unified 144 AI predicates to 144 [2018-11-10 11:58:58,945 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-10 11:58:58,945 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-10 11:58:58,946 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [27] imperfect sequences [6] total 31 [2018-11-10 11:58:58,946 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 11:58:58,946 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-11-10 11:58:58,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-11-10 11:58:58,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=578, Unknown=0, NotChecked=0, Total=702 [2018-11-10 11:58:58,946 INFO L87 Difference]: Start difference. First operand 1517 states and 1728 transitions. Second operand 27 states. [2018-11-10 11:59:25,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:59:25,353 INFO L93 Difference]: Finished difference Result 2707 states and 3139 transitions. [2018-11-10 11:59:25,353 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-11-10 11:59:25,353 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 145 [2018-11-10 11:59:25,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:59:25,359 INFO L225 Difference]: With dead ends: 2707 [2018-11-10 11:59:25,359 INFO L226 Difference]: Without dead ends: 1520 [2018-11-10 11:59:25,362 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 168 GetRequests, 117 SyntacticMatches, 2 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 651 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=368, Invalid=2182, Unknown=0, NotChecked=0, Total=2550 [2018-11-10 11:59:25,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1520 states. [2018-11-10 11:59:25,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1520 to 1444. [2018-11-10 11:59:25,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1444 states. [2018-11-10 11:59:25,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1444 states to 1444 states and 1647 transitions. [2018-11-10 11:59:25,590 INFO L78 Accepts]: Start accepts. Automaton has 1444 states and 1647 transitions. Word has length 145 [2018-11-10 11:59:25,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:59:25,590 INFO L481 AbstractCegarLoop]: Abstraction has 1444 states and 1647 transitions. [2018-11-10 11:59:25,590 INFO L482 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-11-10 11:59:25,590 INFO L276 IsEmpty]: Start isEmpty. Operand 1444 states and 1647 transitions. [2018-11-10 11:59:25,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-10 11:59:25,593 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:59:25,593 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 11:59:25,594 INFO L424 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 11:59:25,594 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:59:25,594 INFO L82 PathProgramCache]: Analyzing trace with hash -97743721, now seen corresponding path program 1 times [2018-11-10 11:59:25,594 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 11:59:25,595 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:59:25,595 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:59:25,595 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:59:25,595 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 11:59:25,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:59:25,714 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 11:59:25,714 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 11:59:25,715 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-10 11:59:25,715 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 154 with the following transitions: [2018-11-10 11:59:25,715 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [31], [34], [36], [37], [38], [39], [40], [44], [45], [46], [49], [51], [54], [61], [64], [66], [70], [76], [80], [84], [87], [90], [92], [95], [100], [106], [109], [121], [122], [123], [124], [125], [126], [127], [129], [134], [136], [137], [140], [142], [144], [145], [146], [176], [179], [183], [189], [190], [192], [195], [197], [199], [202], [204], [209], [215], [218], [222], [226], [229], [232], [234], [237], [247], [250], [254], [255], [258], [273], [276], [277], [278], [279], [280], [281], [282], [283], [284], [285], [289], [291], [292], [293], [294], [295], [296], [299], [300], [301], [302], [303], [304], [307], [308], [311], [312], [317], [318], [319], [320], [321], [322], [323], [324], [325], [326], [327], [328], [329], [331], [332], [333], [335], [336], [337], [338], [349], [350] [2018-11-10 11:59:25,718 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-10 11:59:25,718 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-10 12:00:32,086 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-10 12:00:32,086 INFO L272 AbstractInterpreter]: Visited 108 different actions 892 times. Merged at 21 different actions 99 times. Never widened. Found 14 fixpoints after 4 different actions. Largest state had 133 variables. [2018-11-10 12:00:32,089 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:00:32,089 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-10 12:00:55,940 INFO L227 lantSequenceWeakener]: Weakened 134 states. On average, predicates are now at 96.6% of their original sizes. [2018-11-10 12:00:55,940 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-10 12:00:58,018 INFO L415 sIntCurrentIteration]: We unified 152 AI predicates to 152 [2018-11-10 12:00:58,018 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-10 12:00:58,018 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-10 12:00:58,018 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [49] imperfect sequences [9] total 56 [2018-11-10 12:00:58,018 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:00:58,018 INFO L460 AbstractCegarLoop]: Interpolant automaton has 49 states [2018-11-10 12:00:58,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2018-11-10 12:00:58,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=207, Invalid=2145, Unknown=0, NotChecked=0, Total=2352 [2018-11-10 12:00:58,019 INFO L87 Difference]: Start difference. First operand 1444 states and 1647 transitions. Second operand 49 states. [2018-11-10 12:02:14,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:02:14,047 INFO L93 Difference]: Finished difference Result 3675 states and 4404 transitions. [2018-11-10 12:02:14,047 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2018-11-10 12:02:14,047 INFO L78 Accepts]: Start accepts. Automaton has 49 states. Word has length 153 [2018-11-10 12:02:14,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:02:14,052 INFO L225 Difference]: With dead ends: 3675 [2018-11-10 12:02:14,052 INFO L226 Difference]: Without dead ends: 2485 [2018-11-10 12:02:14,054 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 199 GetRequests, 98 SyntacticMatches, 7 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3063 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=707, Invalid=8413, Unknown=0, NotChecked=0, Total=9120 [2018-11-10 12:02:14,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2485 states. [2018-11-10 12:02:14,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2485 to 2021. [2018-11-10 12:02:14,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2021 states. [2018-11-10 12:02:14,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2021 states to 2021 states and 2284 transitions. [2018-11-10 12:02:14,261 INFO L78 Accepts]: Start accepts. Automaton has 2021 states and 2284 transitions. Word has length 153 [2018-11-10 12:02:14,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:02:14,262 INFO L481 AbstractCegarLoop]: Abstraction has 2021 states and 2284 transitions. [2018-11-10 12:02:14,262 INFO L482 AbstractCegarLoop]: Interpolant automaton has 49 states. [2018-11-10 12:02:14,262 INFO L276 IsEmpty]: Start isEmpty. Operand 2021 states and 2284 transitions. [2018-11-10 12:02:14,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-11-10 12:02:14,264 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:02:14,264 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:02:14,264 INFO L424 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:02:14,264 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:02:14,264 INFO L82 PathProgramCache]: Analyzing trace with hash -911387586, now seen corresponding path program 1 times [2018-11-10 12:02:14,264 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:02:14,265 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:02:14,265 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:02:14,265 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:02:14,265 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:02:14,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:14,326 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-10 12:02:14,326 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:02:14,327 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 12:02:14,327 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:02:14,327 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 12:02:14,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 12:02:14,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-10 12:02:14,327 INFO L87 Difference]: Start difference. First operand 2021 states and 2284 transitions. Second operand 6 states. [2018-11-10 12:02:14,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:02:14,553 INFO L93 Difference]: Finished difference Result 3753 states and 4278 transitions. [2018-11-10 12:02:14,554 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 12:02:14,554 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 171 [2018-11-10 12:02:14,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:02:14,558 INFO L225 Difference]: With dead ends: 3753 [2018-11-10 12:02:14,558 INFO L226 Difference]: Without dead ends: 2041 [2018-11-10 12:02:14,560 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-10 12:02:14,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2041 states. [2018-11-10 12:02:14,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2041 to 2041. [2018-11-10 12:02:14,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2041 states. [2018-11-10 12:02:14,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2041 states to 2041 states and 2304 transitions. [2018-11-10 12:02:14,762 INFO L78 Accepts]: Start accepts. Automaton has 2041 states and 2304 transitions. Word has length 171 [2018-11-10 12:02:14,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:02:14,763 INFO L481 AbstractCegarLoop]: Abstraction has 2041 states and 2304 transitions. [2018-11-10 12:02:14,763 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 12:02:14,763 INFO L276 IsEmpty]: Start isEmpty. Operand 2041 states and 2304 transitions. [2018-11-10 12:02:14,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-11-10 12:02:14,765 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:02:14,765 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:02:14,765 INFO L424 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:02:14,766 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:02:14,766 INFO L82 PathProgramCache]: Analyzing trace with hash -1305754372, now seen corresponding path program 1 times [2018-11-10 12:02:14,766 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:02:14,766 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:02:14,766 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:02:14,766 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:02:14,767 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:02:14,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:02:14,877 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-10 12:02:14,877 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 12:02:14,878 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-10 12:02:14,878 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 172 with the following transitions: [2018-11-10 12:02:14,878 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [27], [29], [30], [31], [34], [36], [37], [38], [39], [40], [44], [45], [46], [49], [51], [57], [61], [64], [66], [70], [76], [80], [84], [87], [90], [92], [95], [100], [106], [109], [119], [120], [121], [122], [123], [124], [125], [126], [127], [129], [134], [136], [137], [140], [142], [144], [145], [146], [176], [179], [183], [189], [190], [192], [195], [197], [199], [202], [204], [209], [215], [218], [222], [226], [229], [232], [234], [237], [247], [250], [254], [255], [258], [261], [263], [266], [273], [276], [277], [278], [279], [280], [281], [282], [283], [284], [285], [287], [288], [289], [291], [292], [293], [294], [297], [298], [299], [300], [301], [302], [303], [304], [307], [308], [311], [312], [317], [318], [319], [320], [321], [322], [323], [324], [325], [326], [327], [328], [329], [331], [332], [333], [335], [336], [337], [338], [343], [344], [345], [346], [349], [350] [2018-11-10 12:02:14,880 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-10 12:02:14,881 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-10 12:03:45,179 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-10 12:03:45,179 INFO L272 AbstractInterpreter]: Visited 142 different actions 1197 times. Merged at 23 different actions 140 times. Never widened. Found 22 fixpoints after 4 different actions. Largest state had 133 variables. [2018-11-10 12:03:45,186 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:03:45,187 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-10 12:03:45,187 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 12:03:45,187 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_34c565fb-09b0-423a-baca-e919dd2a7b9e/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 [2018-11-10 12:03:45,193 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:03:45,193 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-10 12:03:45,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:03:45,307 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 12:03:45,433 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 18 proven. 9 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-10 12:03:45,433 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-10 12:03:45,851 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 8 proven. 5 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-10 12:03:45,867 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-10 12:03:45,867 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10, 11] total 20 [2018-11-10 12:03:45,867 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-10 12:03:45,868 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-10 12:03:45,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-10 12:03:45,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=282, Unknown=0, NotChecked=0, Total=380 [2018-11-10 12:03:45,868 INFO L87 Difference]: Start difference. First operand 2041 states and 2304 transitions. Second operand 15 states. [2018-11-10 12:03:47,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:03:47,802 INFO L93 Difference]: Finished difference Result 3984 states and 4695 transitions. [2018-11-10 12:03:47,802 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-10 12:03:47,802 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 171 [2018-11-10 12:03:47,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:03:47,803 INFO L225 Difference]: With dead ends: 3984 [2018-11-10 12:03:47,803 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 12:03:47,808 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 379 GetRequests, 334 SyntacticMatches, 12 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 321 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=358, Invalid=832, Unknown=0, NotChecked=0, Total=1190 [2018-11-10 12:03:47,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 12:03:47,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 12:03:47,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 12:03:47,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 12:03:47,809 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 171 [2018-11-10 12:03:47,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:03:47,809 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 12:03:47,809 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-10 12:03:47,809 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 12:03:47,809 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 12:03:47,812 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 12:03:47,981 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:03:48,038 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:03:48,080 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:03:48,116 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:03:48,388 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:03:48,416 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:03:48,745 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:03:48,762 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:03:48,931 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:03:48,947 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:03:49,066 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:03:49,074 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:03:49,092 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:03:49,107 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:03:49,121 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:03:49,147 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:03:49,822 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:03:50,619 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:03:50,631 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:03:50,671 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:03:50,676 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:03:50,748 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:03:51,136 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:03:51,325 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:03:51,556 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:03:51,588 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:03:51,606 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:03:51,674 WARN L179 SmtUtils]: Spent 2.80 s on a formula simplification. DAG size of input: 618 DAG size of output: 532 [2018-11-10 12:03:51,731 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:03:52,174 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:03:52,745 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:03:52,803 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:03:52,964 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:03:53,256 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:03:53,268 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:03:53,278 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:03:53,293 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:03:53,302 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:03:53,422 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:03:53,435 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:03:53,436 WARN L179 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 569 DAG size of output: 491 [2018-11-10 12:03:53,461 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:03:53,539 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:03:54,798 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:03:55,496 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:03:55,496 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:03:55,597 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:03:55,674 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:03:55,683 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:03:55,701 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:03:55,714 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:03:55,718 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:03:55,837 WARN L179 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 538 DAG size of output: 477 [2018-11-10 12:03:55,856 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:03:55,942 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:03:55,952 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:03:56,080 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:03:56,150 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:03:56,159 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:03:56,359 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:03:56,508 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:03:56,548 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:03:56,560 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:03:56,568 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:03:56,569 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:03:56,591 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:03:56,603 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:03:56,604 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:03:56,613 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:03:56,628 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:03:56,635 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:03:56,638 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:03:56,672 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:03:56,859 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:03:56,868 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:03:56,903 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:03:56,919 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:03:56,962 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:03:58,308 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:03:58,362 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:03:58,383 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:03:58,514 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:03:58,569 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:03:58,603 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:03:58,659 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:03:58,685 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:03:58,697 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:03:58,707 WARN L179 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 576 DAG size of output: 495 [2018-11-10 12:03:58,729 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:03:58,768 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:03:58,950 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:03:59,127 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:03:59,136 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:03:59,193 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:03:59,203 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:03:59,333 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:04:00,043 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:04:00,415 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:04:00,433 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:04:00,449 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:04:00,593 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:04:00,618 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:04:00,626 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:04:00,654 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:04:00,676 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:04:00,687 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:04:00,687 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:04:00,753 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:04:00,889 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:04:00,892 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:04:00,893 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:04:00,901 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:04:01,593 WARN L179 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 604 DAG size of output: 523 [2018-11-10 12:04:01,676 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:04:01,696 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:04:02,034 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:04:02,073 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 12:04:02,735 WARN L179 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 324 DAG size of output: 21 [2018-11-10 12:04:03,072 WARN L179 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 1 [2018-11-10 12:04:03,636 WARN L179 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 44 [2018-11-10 12:04:04,042 WARN L179 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 1 [2018-11-10 12:04:04,358 WARN L179 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 21 [2018-11-10 12:04:04,564 WARN L179 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 1 [2018-11-10 12:04:05,088 WARN L179 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 21 [2018-11-10 12:04:05,237 WARN L179 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 38 [2018-11-10 12:04:05,855 WARN L179 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 60 [2018-11-10 12:04:05,969 WARN L179 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 38 [2018-11-10 12:04:07,660 WARN L179 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 610 DAG size of output: 32 [2018-11-10 12:04:08,858 WARN L179 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 381 DAG size of output: 23 [2018-11-10 12:04:09,175 WARN L179 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 21 [2018-11-10 12:04:11,055 WARN L179 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 572 DAG size of output: 33 [2018-11-10 12:04:12,105 WARN L179 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 392 DAG size of output: 61 [2018-11-10 12:04:14,949 WARN L179 SmtUtils]: Spent 2.84 s on a formula simplification. DAG size of input: 559 DAG size of output: 33 [2018-11-10 12:04:16,052 WARN L179 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 373 DAG size of output: 20 [2018-11-10 12:04:16,282 WARN L179 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 19 [2018-11-10 12:04:16,879 WARN L179 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 52 [2018-11-10 12:04:18,165 WARN L179 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 411 DAG size of output: 23 [2018-11-10 12:04:18,321 WARN L179 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 1 [2018-11-10 12:04:19,899 WARN L179 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 353 DAG size of output: 109 [2018-11-10 12:04:20,101 WARN L179 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 1 [2018-11-10 12:04:20,508 WARN L179 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 15 [2018-11-10 12:04:20,831 WARN L179 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 21 [2018-11-10 12:04:21,348 WARN L179 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 52 [2018-11-10 12:04:22,249 WARN L179 SmtUtils]: Spent 892.00 ms on a formula simplification. DAG size of input: 355 DAG size of output: 22 [2018-11-10 12:04:22,562 WARN L179 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 24 [2018-11-10 12:04:24,453 WARN L179 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 577 DAG size of output: 32 [2018-11-10 12:04:25,076 WARN L179 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 21 [2018-11-10 12:04:26,137 WARN L179 SmtUtils]: Spent 974.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 57 [2018-11-10 12:04:26,823 WARN L179 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 14 [2018-11-10 12:04:27,440 WARN L179 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 51 [2018-11-10 12:04:27,997 WARN L179 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 21 [2018-11-10 12:04:28,537 WARN L179 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 21 [2018-11-10 12:04:28,865 WARN L179 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 1 [2018-11-10 12:04:30,871 WARN L179 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 603 DAG size of output: 32 [2018-11-10 12:04:31,471 WARN L179 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 21 [2018-11-10 12:04:31,662 WARN L179 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 1 [2018-11-10 12:04:33,510 WARN L179 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 394 DAG size of output: 92 [2018-11-10 12:04:33,668 WARN L179 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 13 [2018-11-10 12:04:33,876 WARN L179 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 1 [2018-11-10 12:04:34,406 WARN L179 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 21 [2018-11-10 12:04:34,408 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 315 321) the Hoare annotation is: true [2018-11-10 12:04:34,409 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 315 321) no Hoare annotation was computed. [2018-11-10 12:04:34,409 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 322 330) no Hoare annotation was computed. [2018-11-10 12:04:34,409 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 322 330) the Hoare annotation is: true [2018-11-10 12:04:34,409 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 322 330) no Hoare annotation was computed. [2018-11-10 12:04:34,409 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 229 251) the Hoare annotation is: (or (and (<= ~systemActive~0 ~waterLevel~0) (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (= 1 ~waterLevel~0) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (= ~pumpRunning~0 0)) (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-11-10 12:04:34,409 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 229 251) no Hoare annotation was computed. [2018-11-10 12:04:34,409 INFO L421 ceAbstractionStarter]: At program point L241(line 241) the Hoare annotation is: (or (and (<= ~systemActive~0 main_~tmp~0) (<= main_~tmp~0 (+ ~pumpRunning~0 1)) (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (= 1 ~waterLevel~0) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (= ~pumpRunning~0 0)) (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-11-10 12:04:34,409 INFO L421 ceAbstractionStarter]: At program point L241-1(line 241) the Hoare annotation is: (or (and (<= ~systemActive~0 main_~tmp~0) (<= main_~tmp~0 (+ ~pumpRunning~0 1)) (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (= 1 ~waterLevel~0) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (= ~pumpRunning~0 0)) (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-11-10 12:04:34,409 INFO L425 ceAbstractionStarter]: For program point L239(lines 239 246) no Hoare annotation was computed. [2018-11-10 12:04:34,409 INFO L425 ceAbstractionStarter]: For program point L239-1(lines 239 246) no Hoare annotation was computed. [2018-11-10 12:04:34,410 INFO L425 ceAbstractionStarter]: For program point L237(line 237) no Hoare annotation was computed. [2018-11-10 12:04:34,410 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 229 251) no Hoare annotation was computed. [2018-11-10 12:04:34,410 INFO L421 ceAbstractionStarter]: At program point L236(line 236) the Hoare annotation is: (or (and (<= ~systemActive~0 ~waterLevel~0) (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (= 1 ~waterLevel~0) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (= ~pumpRunning~0 0)) (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-11-10 12:04:34,410 INFO L421 ceAbstractionStarter]: At program point L235(line 235) the Hoare annotation is: (or (and (<= ~systemActive~0 ~waterLevel~0) (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (= 1 ~waterLevel~0) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (= ~pumpRunning~0 0)) (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-11-10 12:04:34,410 INFO L421 ceAbstractionStarter]: At program point L235-1(line 235) the Hoare annotation is: (or (and (<= ~systemActive~0 ~waterLevel~0) (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (= 1 ~waterLevel~0) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (= ~pumpRunning~0 0)) (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-11-10 12:04:34,410 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 907 915) no Hoare annotation was computed. [2018-11-10 12:04:34,410 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 907 915) the Hoare annotation is: true [2018-11-10 12:04:34,410 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 907 915) no Hoare annotation was computed. [2018-11-10 12:04:34,410 INFO L425 ceAbstractionStarter]: For program point L978-1(line 978) no Hoare annotation was computed. [2018-11-10 12:04:34,410 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 971 989) the Hoare annotation is: true [2018-11-10 12:04:34,410 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 971 989) no Hoare annotation was computed. [2018-11-10 12:04:34,411 INFO L425 ceAbstractionStarter]: For program point L980(lines 980 984) no Hoare annotation was computed. [2018-11-10 12:04:34,411 INFO L428 ceAbstractionStarter]: At program point L978(line 978) the Hoare annotation is: true [2018-11-10 12:04:34,411 INFO L425 ceAbstractionStarter]: For program point L980-2(lines 980 984) no Hoare annotation was computed. [2018-11-10 12:04:34,411 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 971 989) no Hoare annotation was computed. [2018-11-10 12:04:34,411 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 308 314) no Hoare annotation was computed. [2018-11-10 12:04:34,411 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 308 314) the Hoare annotation is: true [2018-11-10 12:04:34,411 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 216 225) the Hoare annotation is: (or (and (<= ~systemActive~0 ~waterLevel~0) (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (= 1 ~waterLevel~0) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (= ~pumpRunning~0 0)) (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-11-10 12:04:34,411 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 216 225) no Hoare annotation was computed. [2018-11-10 12:04:34,411 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 216 225) no Hoare annotation was computed. [2018-11-10 12:04:34,411 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 896 906) the Hoare annotation is: true [2018-11-10 12:04:34,411 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 896 906) no Hoare annotation was computed. [2018-11-10 12:04:34,411 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 896 906) no Hoare annotation was computed. [2018-11-10 12:04:34,411 INFO L428 ceAbstractionStarter]: At program point L901(line 901) the Hoare annotation is: true [2018-11-10 12:04:34,411 INFO L425 ceAbstractionStarter]: For program point L901-1(line 901) no Hoare annotation was computed. [2018-11-10 12:04:34,411 INFO L421 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 888 895) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-10 12:04:34,412 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 888 895) no Hoare annotation was computed. [2018-11-10 12:04:34,412 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 888 895) no Hoare annotation was computed. [2018-11-10 12:04:34,412 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 127 140) no Hoare annotation was computed. [2018-11-10 12:04:34,412 INFO L425 ceAbstractionStarter]: For program point L131(lines 131 137) no Hoare annotation was computed. [2018-11-10 12:04:34,412 INFO L428 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 127 140) the Hoare annotation is: true [2018-11-10 12:04:34,412 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 127 140) no Hoare annotation was computed. [2018-11-10 12:04:34,412 INFO L421 ceAbstractionStarter]: At program point L865(line 865) the Hoare annotation is: (let ((.cse1 (< |old(~pumpRunning~0)| ~waterLevel~0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~8) (<= processEnvironment_~tmp~8 ~methaneLevelCritical~0)) (< (+ ~methaneLevelCritical~0 ~waterLevel~0) 2) (< (* 2 ~systemActive~0) 2) .cse1 (< |old(~pumpRunning~0)| ~methaneLevelCritical~0) (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0))) (or (< 2 (* 2 |old(~pumpRunning~0)|)) (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1) (< ~waterLevel~0 ~systemActive~0) .cse1 (< |old(~pumpRunning~0)| (+ ~methaneLevelCritical~0 1))) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-10 12:04:34,412 INFO L425 ceAbstractionStarter]: For program point L863(lines 863 871) no Hoare annotation was computed. [2018-11-10 12:04:34,412 INFO L421 ceAbstractionStarter]: At program point L861(line 861) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-10 12:04:34,412 INFO L425 ceAbstractionStarter]: For program point L861-1(line 861) no Hoare annotation was computed. [2018-11-10 12:04:34,412 INFO L425 ceAbstractionStarter]: For program point L859(lines 859 876) no Hoare annotation was computed. [2018-11-10 12:04:34,412 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 855 879) no Hoare annotation was computed. [2018-11-10 12:04:34,412 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 855 879) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse1) (or (< 1 ~waterLevel~0) .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1))) [2018-11-10 12:04:34,413 INFO L421 ceAbstractionStarter]: At program point L874(line 874) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0))) [2018-11-10 12:04:34,413 INFO L425 ceAbstractionStarter]: For program point L874-1(lines 855 879) no Hoare annotation was computed. [2018-11-10 12:04:34,413 INFO L421 ceAbstractionStarter]: At program point L869(line 869) the Hoare annotation is: (let ((.cse0 (< |old(~pumpRunning~0)| ~waterLevel~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (< 2 (* 2 |old(~pumpRunning~0)|)) (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1) (< ~waterLevel~0 ~systemActive~0) .cse0 (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~8) (<= processEnvironment_~tmp~8 ~methaneLevelCritical~0)) (< |old(~pumpRunning~0)| (+ ~methaneLevelCritical~0 1))) (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse1) (or (< (+ ~methaneLevelCritical~0 ~waterLevel~0) 2) (< (* 2 ~systemActive~0) 2) .cse0 (< |old(~pumpRunning~0)| ~methaneLevelCritical~0) (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0))) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse1))) [2018-11-10 12:04:34,413 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 795 801) no Hoare annotation was computed. [2018-11-10 12:04:34,413 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 795 801) the Hoare annotation is: true [2018-11-10 12:04:34,413 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 699 764) the Hoare annotation is: (or (and (<= ~systemActive~0 ~waterLevel~0) (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (= 1 ~waterLevel~0) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (= ~pumpRunning~0 0)) (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-11-10 12:04:34,413 INFO L421 ceAbstractionStarter]: At program point L731(line 731) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and (= 0 ~pumpRunning~0) .cse0 .cse1 .cse2) (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (< 1 (+ |old(~pumpRunning~0)| |old(~waterLevel~0)|)) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-10 12:04:34,413 INFO L425 ceAbstractionStarter]: For program point L729(lines 729 735) no Hoare annotation was computed. [2018-11-10 12:04:34,413 INFO L425 ceAbstractionStarter]: For program point L729-1(lines 729 735) no Hoare annotation was computed. [2018-11-10 12:04:34,413 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 699 764) no Hoare annotation was computed. [2018-11-10 12:04:34,413 INFO L421 ceAbstractionStarter]: At program point L754(lines 709 756) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 1) .cse0 .cse1) (< 1 (+ |old(~pumpRunning~0)| |old(~waterLevel~0)|)) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) .cse0 .cse1) (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-10 12:04:34,414 INFO L421 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 1) .cse0 .cse1) (< 1 (+ |old(~pumpRunning~0)| |old(~waterLevel~0)|)) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) .cse0 .cse1) (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-10 12:04:34,414 INFO L425 ceAbstractionStarter]: For program point L719(lines 719 725) no Hoare annotation was computed. [2018-11-10 12:04:34,414 INFO L425 ceAbstractionStarter]: For program point L719-1(lines 719 725) no Hoare annotation was computed. [2018-11-10 12:04:34,414 INFO L425 ceAbstractionStarter]: For program point L711(lines 711 715) no Hoare annotation was computed. [2018-11-10 12:04:34,414 INFO L425 ceAbstractionStarter]: For program point L709-1(lines 709 756) no Hoare annotation was computed. [2018-11-10 12:04:34,414 INFO L421 ceAbstractionStarter]: At program point L757(lines 708 758) the Hoare annotation is: (or (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-11-10 12:04:34,414 INFO L425 ceAbstractionStarter]: For program point L747(lines 747 751) no Hoare annotation was computed. [2018-11-10 12:04:34,414 INFO L421 ceAbstractionStarter]: At program point L747-2(lines 739 752) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and (= 0 ~pumpRunning~0) .cse0 .cse1 .cse2) (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (< 1 (+ |old(~pumpRunning~0)| |old(~waterLevel~0)|)) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-10 12:04:34,414 INFO L425 ceAbstractionStarter]: For program point L710(lines 709 756) no Hoare annotation was computed. [2018-11-10 12:04:34,414 INFO L421 ceAbstractionStarter]: At program point L741(line 741) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and (= 0 ~pumpRunning~0) .cse0 .cse1 .cse2) (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (< 1 (+ |old(~pumpRunning~0)| |old(~waterLevel~0)|)) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-10 12:04:34,414 INFO L425 ceAbstractionStarter]: For program point L739(lines 739 752) no Hoare annotation was computed. [2018-11-10 12:04:34,414 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 699 764) no Hoare annotation was computed. [2018-11-10 12:04:34,415 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 141 149) no Hoare annotation was computed. [2018-11-10 12:04:34,415 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 141 149) the Hoare annotation is: true [2018-11-10 12:04:34,415 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 141 149) no Hoare annotation was computed. [2018-11-10 12:04:34,415 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-10 12:04:34,415 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-10 12:04:34,415 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 12:04:34,415 INFO L425 ceAbstractionStarter]: For program point activatePumpFINAL(lines 880 887) no Hoare annotation was computed. [2018-11-10 12:04:34,415 INFO L425 ceAbstractionStarter]: For program point activatePumpEXIT(lines 880 887) no Hoare annotation was computed. [2018-11-10 12:04:34,415 INFO L421 ceAbstractionStarter]: At program point activatePumpENTRY(lines 880 887) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) (not (= ~systemActive~0 1))) [2018-11-10 12:04:34,415 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 118 126) the Hoare annotation is: true [2018-11-10 12:04:34,415 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 118 126) no Hoare annotation was computed. [2018-11-10 12:04:34,415 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 118 126) no Hoare annotation was computed. [2018-11-10 12:04:34,415 INFO L425 ceAbstractionStarter]: For program point L961(lines 961 965) no Hoare annotation was computed. [2018-11-10 12:04:34,415 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 952 970) no Hoare annotation was computed. [2018-11-10 12:04:34,415 INFO L428 ceAbstractionStarter]: At program point L959(line 959) the Hoare annotation is: true [2018-11-10 12:04:34,416 INFO L425 ceAbstractionStarter]: For program point L961-2(lines 961 965) no Hoare annotation was computed. [2018-11-10 12:04:34,416 INFO L425 ceAbstractionStarter]: For program point L959-1(line 959) no Hoare annotation was computed. [2018-11-10 12:04:34,416 INFO L428 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 952 970) the Hoare annotation is: true [2018-11-10 12:04:34,416 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 952 970) no Hoare annotation was computed. [2018-11-10 12:04:34,416 INFO L425 ceAbstractionStarter]: For program point L78-1(lines 74 85) no Hoare annotation was computed. [2018-11-10 12:04:34,416 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 74 85) the Hoare annotation is: (let ((.cse10 (+ ~methaneLevelCritical~0 1)) (.cse16 (+ ~waterLevel~0 |old(~methaneLevelCritical~0)|)) (.cse14 (<= ~systemActive~0 ~methaneLevelCritical~0)) (.cse2 (+ ~pumpRunning~0 1)) (.cse1 (+ |old(~methaneLevelCritical~0)| 1)) (.cse22 (* 2 ~pumpRunning~0))) (let ((.cse6 (< 3 (+ ~systemActive~0 ~waterLevel~0))) (.cse8 (< 2 .cse22)) (.cse9 (< ~pumpRunning~0 .cse1)) (.cse0 (and .cse14 (<= ~methaneLevelCritical~0 .cse2))) (.cse15 (<= ~methaneLevelCritical~0 ~systemActive~0)) (.cse7 (< .cse16 2)) (.cse4 (< (* 2 ~systemActive~0) 2)) (.cse17 (< ~pumpRunning~0 |old(~methaneLevelCritical~0)|)) (.cse18 (< 2 (+ ~pumpRunning~0 ~systemActive~0))) (.cse3 (< (+ ~systemActive~0 |old(~methaneLevelCritical~0)|) 1)) (.cse5 (< ~waterLevel~0 ~systemActive~0)) (.cse20 (+ ~pumpRunning~0 |old(~methaneLevelCritical~0)|)) (.cse12 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse21 (not (= ~waterLevel~0 1))) (.cse13 (< 0 .cse22)) (.cse11 (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0))) (.cse19 (<= .cse10 ~waterLevel~0))) (and (or .cse0 (< ~waterLevel~0 (+ ~pumpRunning~0 2)) (< .cse1 ~waterLevel~0) (< 4 (* 2 ~waterLevel~0)) (< ~systemActive~0 |old(~methaneLevelCritical~0)|) (< .cse2 ~systemActive~0) .cse3) (or (or (< 2 (* 2 |old(~methaneLevelCritical~0)|)) .cse4 (not (= 1 ~pumpRunning~0)) .cse3 .cse5 .cse6) (<= 1 (+ ~methaneLevelCritical~0 ~waterLevel~0))) (or (or .cse7 .cse8 .cse3 .cse6 .cse9) (and (<= (* 2 ~methaneLevelCritical~0) 0) (<= 1 (+ ~methaneLevelCritical~0 ~pumpRunning~0)))) (or (and (<= .cse10 ~systemActive~0) .cse11) (or (< (+ ~pumpRunning~0 ~waterLevel~0) 2) .cse3 .cse12 .cse6 .cse13)) (or (and .cse14 .cse15) (< .cse16 3) .cse4 .cse17 .cse18 .cse6) (or .cse8 .cse3 .cse5 (< ~pumpRunning~0 ~waterLevel~0) .cse9 .cse19) (or .cse0 (< 2 .cse16) .cse4 .cse5 (< .cse20 1) .cse13) (or (and .cse15 (<= ~waterLevel~0 ~methaneLevelCritical~0)) (or .cse7 .cse4 .cse17 .cse21 .cse18)) (or (or .cse3 .cse5 (< .cse20 0) .cse12 .cse21 .cse13) (and .cse11 .cse19))))) [2018-11-10 12:04:34,416 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 74 85) no Hoare annotation was computed. [2018-11-10 12:04:34,416 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 86 94) the Hoare annotation is: true [2018-11-10 12:04:34,416 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 86 94) no Hoare annotation was computed. [2018-11-10 12:04:34,416 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 86 94) no Hoare annotation was computed. [2018-11-10 12:04:34,416 INFO L428 ceAbstractionStarter]: At program point L163-3(lines 163 177) the Hoare annotation is: true [2018-11-10 12:04:34,417 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 153 182) no Hoare annotation was computed. [2018-11-10 12:04:34,417 INFO L428 ceAbstractionStarter]: At program point L159(line 159) the Hoare annotation is: true [2018-11-10 12:04:34,417 INFO L425 ceAbstractionStarter]: For program point L159-1(line 159) no Hoare annotation was computed. [2018-11-10 12:04:34,417 INFO L428 ceAbstractionStarter]: At program point L178(lines 153 182) the Hoare annotation is: true [2018-11-10 12:04:34,417 INFO L425 ceAbstractionStarter]: For program point L174(line 174) no Hoare annotation was computed. [2018-11-10 12:04:34,417 INFO L425 ceAbstractionStarter]: For program point L164(line 164) no Hoare annotation was computed. [2018-11-10 12:04:34,417 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 153 182) the Hoare annotation is: true [2018-11-10 12:04:34,417 INFO L425 ceAbstractionStarter]: For program point L167(lines 167 171) no Hoare annotation was computed. [2018-11-10 12:04:34,417 INFO L428 ceAbstractionStarter]: At program point L167-1(lines 167 171) the Hoare annotation is: true [2018-11-10 12:04:34,417 INFO L425 ceAbstractionStarter]: For program point L163-1(lines 163 177) no Hoare annotation was computed. [2018-11-10 12:04:34,417 INFO L421 ceAbstractionStarter]: At program point L784(line 784) the Hoare annotation is: (let ((.cse8 (<= ~waterLevel~0 1)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse9 (= ~systemActive~0 1))) (let ((.cse0 (< (* 2 ~systemActive~0) 2)) (.cse1 (< 3 (+ ~systemActive~0 |old(~waterLevel~0)|))) (.cse2 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not .cse9)) (.cse4 (< 2 |old(~waterLevel~0)|)) (.cse7 (and (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse8 (= ~pumpRunning~0 1) .cse9 .cse3))) (and (or (or (< (+ |old(~pumpRunning~0)| |old(~waterLevel~0)|) 3) .cse0 (< |old(~pumpRunning~0)| ~methaneLevelCritical~0) (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0)) (< (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0) 1) .cse1) (<= ~systemActive~0 ~waterLevel~0)) (or (and .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) .cse4 .cse5) (or (or (< 2 (* 2 ~methaneLevelCritical~0)) .cse0 .cse6 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1) (< |old(~waterLevel~0)| ~systemActive~0) .cse1) .cse7) (or (and .cse8 .cse2 .cse3) (or .cse6 .cse5) .cse4 .cse7)))) [2018-11-10 12:04:34,417 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 771 794) the Hoare annotation is: (let ((.cse2 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse1 (< 2 |old(~waterLevel~0)|)) (.cse0 (not (= ~systemActive~0 1)))) (and (or (or (not (= 1 |old(~pumpRunning~0)|)) .cse0) .cse1 .cse2) (or .cse2 (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse0))) [2018-11-10 12:04:34,418 INFO L421 ceAbstractionStarter]: At program point L782(lines 782 788) the Hoare annotation is: (let ((.cse19 (* 2 |old(~pumpRunning~0)|)) (.cse7 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse17 (= ~pumpRunning~0 1)) (.cse21 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse22 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse5 (= 0 ~pumpRunning~0)) (.cse6 (<= ~waterLevel~0 1)) (.cse20 (= ~systemActive~0 1))) (let ((.cse3 (and .cse22 (not (= |old(~pumpRunning~0)| 0)) .cse5 .cse6 .cse20)) (.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse8 (and .cse22 .cse6 .cse17 .cse20 .cse21)) (.cse9 (< (* 2 ~systemActive~0) 2)) (.cse4 (< 2 |old(~waterLevel~0)|)) (.cse0 (and .cse6 .cse7 .cse21)) (.cse2 (not .cse20)) (.cse11 (< |old(~waterLevel~0)| ~systemActive~0)) (.cse15 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0)) (.cse16 (< 0 .cse19)) (.cse13 (= ~pumpRunning~0 0)) (.cse14 (+ ~methaneLevelCritical~0 |old(~waterLevel~0)|)) (.cse10 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) (.cse12 (< 3 (+ ~systemActive~0 |old(~waterLevel~0)|)))) (and (or .cse0 (or .cse1 .cse2) .cse3 .cse4 (and .cse5 .cse6 .cse7) .cse8) (or .cse3 (or (< 2 (* 2 ~methaneLevelCritical~0)) .cse9 .cse1 .cse10 .cse11 .cse12) .cse8) (or .cse13 (< 2 .cse14) .cse9 .cse11 (< .cse15 1) .cse16) (or (and (<= 1 (+ ~pumpRunning~0 ~waterLevel~0)) .cse13) (or (< .cse14 3) .cse9 (< |old(~pumpRunning~0)| ~methaneLevelCritical~0) (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0)) .cse12)) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse17 .cse7) .cse4 .cse0 .cse2) (or (or .cse10 .cse11 (< .cse15 0) (not (= ~methaneLevelCritical~0 0)) (not (= |old(~waterLevel~0)| 1)) .cse16) .cse13) (let ((.cse18 (+ ~methaneLevelCritical~0 1))) (or (< .cse14 2) (<= .cse18 ~waterLevel~0) (< 2 .cse19) .cse10 .cse12 (< |old(~pumpRunning~0)| .cse18)))))) [2018-11-10 12:04:34,418 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 771 794) no Hoare annotation was computed. [2018-11-10 12:04:34,418 INFO L421 ceAbstractionStarter]: At program point L777(line 777) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (< 2 |old(~waterLevel~0)|))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (or (not (= 1 |old(~pumpRunning~0)|)) .cse1) (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse0))) [2018-11-10 12:04:34,418 INFO L425 ceAbstractionStarter]: For program point L775(lines 774 793) no Hoare annotation was computed. [2018-11-10 12:04:34,418 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 771 794) no Hoare annotation was computed. [2018-11-10 12:04:34,418 INFO L421 ceAbstractionStarter]: At program point L286(line 286) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) .cse0) (or (< 2 ~waterLevel~0) (not (= 1 ~pumpRunning~0)) .cse0))) [2018-11-10 12:04:34,418 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 263 295) no Hoare annotation was computed. [2018-11-10 12:04:34,418 INFO L425 ceAbstractionStarter]: For program point L282(lines 282 288) no Hoare annotation was computed. [2018-11-10 12:04:34,418 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 263 295) the Hoare annotation is: true [2018-11-10 12:04:34,419 INFO L421 ceAbstractionStarter]: At program point L280(line 280) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (< 2 (+ ~pumpRunning~0 ~systemActive~0))) (.cse4 (< 3 (+ ~systemActive~0 ~waterLevel~0)))) (and (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1) (or .cse0 .cse2 .cse1) (or (< (+ ~methaneLevelCritical~0 ~waterLevel~0) 3) (< (* 2 ~systemActive~0) 2) (< ~pumpRunning~0 ~methaneLevelCritical~0) .cse3 .cse4) (or (< 2 ~waterLevel~0) .cse2 .cse1 (let ((.cse5 (+ ~pumpRunning~0 1))) (and (<= __utac_acc__Specification3_spec__1_~tmp___0~0 .cse5) (<= .cse5 __utac_acc__Specification3_spec__1_~tmp___0~0)))) (or (and (<= __utac_acc__Specification3_spec__1_~tmp~1 ~methaneLevelCritical~0) (<= ~systemActive~0 (+ __utac_acc__Specification3_spec__1_~tmp~1 1))) (< 2 (* 2 ~pumpRunning~0)) (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1) .cse3 (< (+ ~methaneLevelCritical~0 ~pumpRunning~0) 1) .cse4 (< ~pumpRunning~0 (+ ~methaneLevelCritical~0 1))))) [2018-11-10 12:04:34,419 INFO L425 ceAbstractionStarter]: For program point L280-1(line 280) no Hoare annotation was computed. [2018-11-10 12:04:34,419 INFO L425 ceAbstractionStarter]: For program point L278(lines 278 291) no Hoare annotation was computed. [2018-11-10 12:04:34,419 INFO L425 ceAbstractionStarter]: For program point L278-1(lines 263 295) no Hoare annotation was computed. [2018-11-10 12:04:34,419 INFO L421 ceAbstractionStarter]: At program point L276(line 276) the Hoare annotation is: (let ((.cse0 (+ ~methaneLevelCritical~0 ~waterLevel~0)) (.cse1 (< (* 2 ~systemActive~0) 2)) (.cse2 (< ~pumpRunning~0 ~methaneLevelCritical~0)) (.cse3 (< 2 (+ ~pumpRunning~0 ~systemActive~0))) (.cse5 (< (+ ~methaneLevelCritical~0 ~pumpRunning~0) 1)) (.cse4 (< 3 (+ ~systemActive~0 ~waterLevel~0)))) (and (or (< .cse0 3) .cse1 .cse2 .cse3 .cse4) (or (< 2 .cse0) .cse1 (< ~waterLevel~0 ~systemActive~0) .cse5 (< 0 (* 2 ~pumpRunning~0))) (or (< (+ ~pumpRunning~0 ~waterLevel~0) 3) .cse1 .cse2 .cse3 .cse5 .cse4 (and (<= __utac_acc__Specification3_spec__1_~tmp~1 ~methaneLevelCritical~0) (<= ~systemActive~0 (+ __utac_acc__Specification3_spec__1_~tmp~1 1)))))) [2018-11-10 12:04:34,419 INFO L425 ceAbstractionStarter]: For program point L276-1(line 276) no Hoare annotation was computed. [2018-11-10 12:04:34,419 INFO L425 ceAbstractionStarter]: For program point L272(lines 272 292) no Hoare annotation was computed. [2018-11-10 12:04:34,419 INFO L428 ceAbstractionStarter]: At program point L270(line 270) the Hoare annotation is: true [2018-11-10 12:04:34,419 INFO L425 ceAbstractionStarter]: For program point L270-1(line 270) no Hoare annotation was computed. [2018-11-10 12:04:34,419 INFO L421 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 50 61) the Hoare annotation is: (or (= ~waterLevel~0 |old(~waterLevel~0)|) (< 2 |old(~waterLevel~0)|) (not (= 1 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-11-10 12:04:34,419 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 50 61) no Hoare annotation was computed. [2018-11-10 12:04:34,420 INFO L425 ceAbstractionStarter]: For program point L54-1(lines 50 61) no Hoare annotation was computed. [2018-11-10 12:04:34,420 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 12:04:34,420 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (= 1 ~waterLevel~0) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (<= ~systemActive~0 ~waterLevel~0) (= ~pumpRunning~0 0)) [2018-11-10 12:04:34,420 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 12:04:34,420 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 12:04:34,420 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 208 214) no Hoare annotation was computed. [2018-11-10 12:04:34,420 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 208 214) the Hoare annotation is: true [2018-11-10 12:04:34,420 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 990 997) no Hoare annotation was computed. [2018-11-10 12:04:34,420 INFO L421 ceAbstractionStarter]: At program point startSystemENTRY(lines 990 997) the Hoare annotation is: (let ((.cse2 (not (= |old(~systemActive~0)| 1))) (.cse1 (< 2 ~waterLevel~0)) (.cse0 (= ~systemActive~0 1))) (and (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1 .cse2) (or (or (not (= 1 ~pumpRunning~0)) .cse2) .cse1 .cse0))) [2018-11-10 12:04:34,420 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 990 997) no Hoare annotation was computed. [2018-11-10 12:04:34,420 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 803 827) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse1))) [2018-11-10 12:04:34,420 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 803 827) no Hoare annotation was computed. [2018-11-10 12:04:34,421 INFO L421 ceAbstractionStarter]: At program point L822(line 822) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-10 12:04:34,421 INFO L425 ceAbstractionStarter]: For program point L822-1(lines 803 827) no Hoare annotation was computed. [2018-11-10 12:04:34,421 INFO L421 ceAbstractionStarter]: At program point L817(line 817) the Hoare annotation is: (let ((.cse5 (* 2 processEnvironment__wrappee__highWaterSensor_~tmp~6))) (let ((.cse4 (not (= ~systemActive~0 1))) (.cse1 (< ~waterLevel~0 ~systemActive~0)) (.cse2 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0)) (.cse3 (< 0 (* 2 |old(~pumpRunning~0)|))) (.cse0 (<= .cse5 0))) (and (or (and .cse0 (<= ~methaneLevelCritical~0 (+ processEnvironment__wrappee__highWaterSensor_~tmp~6 1))) (< 2 (+ ~methaneLevelCritical~0 ~waterLevel~0)) (< (* 2 ~systemActive~0) 2) .cse1 (< .cse2 1) .cse3) (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) (and (<= ~waterLevel~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse4) (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse4) (or (or (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1) .cse1 (< .cse2 0) (not (= ~methaneLevelCritical~0 0)) (not (= ~waterLevel~0 1)) .cse3) (and (<= 0 .cse5) .cse0))))) [2018-11-10 12:04:34,421 INFO L421 ceAbstractionStarter]: At program point L813(line 813) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 ~systemActive~0)) (.cse1 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0)) (.cse2 (< 0 (* 2 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or (< 2 (+ ~methaneLevelCritical~0 ~waterLevel~0)) (< (* 2 ~systemActive~0) 2) .cse0 (< .cse1 1) .cse2) (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse3) (or (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1) .cse0 (< .cse1 0) (not (= ~methaneLevelCritical~0 0)) (not (= ~waterLevel~0 1)) .cse2) (let ((.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= processEnvironment__wrappee__highWaterSensor_~tmp~6 1) .cse4) (< 2 ~waterLevel~0) (and (<= ~waterLevel~0 1) .cse4) .cse3)))) [2018-11-10 12:04:34,421 INFO L425 ceAbstractionStarter]: For program point L811(lines 811 819) no Hoare annotation was computed. [2018-11-10 12:04:34,421 INFO L421 ceAbstractionStarter]: At program point L809(line 809) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0))) [2018-11-10 12:04:34,421 INFO L425 ceAbstractionStarter]: For program point L809-1(line 809) no Hoare annotation was computed. [2018-11-10 12:04:34,421 INFO L425 ceAbstractionStarter]: For program point L807(lines 807 824) no Hoare annotation was computed. [2018-11-10 12:04:34,421 INFO L425 ceAbstractionStarter]: For program point L66-1(lines 62 73) no Hoare annotation was computed. [2018-11-10 12:04:34,421 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 62 73) no Hoare annotation was computed. [2018-11-10 12:04:34,421 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 62 73) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or (< 1 |old(~waterLevel~0)|) (not (= 0 ~pumpRunning~0)) .cse0 .cse1) (or (or (not (= 1 ~pumpRunning~0)) .cse1) (< 2 |old(~waterLevel~0)|) .cse0))) [2018-11-10 12:04:34,422 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 253 260) no Hoare annotation was computed. [2018-11-10 12:04:34,422 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 257) no Hoare annotation was computed. [2018-11-10 12:04:34,422 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 253 260) the Hoare annotation is: true [2018-11-10 12:04:34,422 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 253 260) no Hoare annotation was computed. [2018-11-10 12:04:34,422 INFO L425 ceAbstractionStarter]: For program point L833(lines 833 850) no Hoare annotation was computed. [2018-11-10 12:04:34,422 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 829 853) no Hoare annotation was computed. [2018-11-10 12:04:34,422 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 829 853) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse1))) [2018-11-10 12:04:34,422 INFO L421 ceAbstractionStarter]: At program point L848(line 848) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0))) [2018-11-10 12:04:34,422 INFO L425 ceAbstractionStarter]: For program point L848-1(lines 829 853) no Hoare annotation was computed. [2018-11-10 12:04:34,422 INFO L421 ceAbstractionStarter]: At program point L843(line 843) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) (and (= 0 processEnvironment__wrappee__lowWaterSensor_~tmp~7) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse0))) [2018-11-10 12:04:34,422 INFO L421 ceAbstractionStarter]: At program point L839(line 839) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-10 12:04:34,422 INFO L425 ceAbstractionStarter]: For program point L837(lines 837 845) no Hoare annotation was computed. [2018-11-10 12:04:34,423 INFO L421 ceAbstractionStarter]: At program point L835(line 835) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-10 12:04:34,423 INFO L425 ceAbstractionStarter]: For program point L835-1(line 835) no Hoare annotation was computed. [2018-11-10 12:04:34,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 12:04:34 BoogieIcfgContainer [2018-11-10 12:04:34,433 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 12:04:34,433 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 12:04:34,433 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 12:04:34,433 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 12:04:34,434 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:52:42" (3/4) ... [2018-11-10 12:04:34,436 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 12:04:34,441 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-10 12:04:34,441 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-10 12:04:34,441 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 12:04:34,441 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-10 12:04:34,441 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-10 12:04:34,441 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-10 12:04:34,441 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-10 12:04:34,441 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-10 12:04:34,442 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-10 12:04:34,442 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-10 12:04:34,442 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-10 12:04:34,442 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-10 12:04:34,442 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-10 12:04:34,442 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-10 12:04:34,442 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 12:04:34,442 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-10 12:04:34,442 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-10 12:04:34,442 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-10 12:04:34,442 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-10 12:04:34,442 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-10 12:04:34,442 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-10 12:04:34,442 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-10 12:04:34,442 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification3_spec__1 [2018-11-10 12:04:34,443 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-10 12:04:34,443 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-10 12:04:34,443 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-10 12:04:34,443 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-10 12:04:34,443 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-10 12:04:34,443 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-10 12:04:34,443 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2018-11-10 12:04:34,452 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 141 nodes and edges [2018-11-10 12:04:34,453 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2018-11-10 12:04:34,453 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2018-11-10 12:04:34,481 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((waterLevel <= 2 && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) || 1 < \old(pumpRunning) + \old(waterLevel)) || \old(pumpRunning) + 1 < \old(systemActive)) || (((0 == pumpRunning && waterLevel <= 1) && systemActive == 1) && splverifierCounter == 0)) || \old(methaneLevelCritical) + \old(systemActive) < 1) || \old(waterLevel) < \old(systemActive)) || !(\old(methaneLevelCritical) == 0) [2018-11-10 12:04:34,481 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\old(methaneLevelCritical) + \old(systemActive) < 1 || \old(waterLevel) < \old(systemActive)) || \old(pumpRunning) + \old(methaneLevelCritical) < 0) || !(\old(methaneLevelCritical) == 0)) || !(\old(waterLevel) == 1)) || 0 < 2 * \old(pumpRunning) [2018-11-10 12:04:34,522 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_34c565fb-09b0-423a-baca-e919dd2a7b9e/bin-2019/utaipan/witness.graphml [2018-11-10 12:04:34,522 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 12:04:34,523 INFO L168 Benchmark]: Toolchain (without parser) took 712897.77 ms. Allocated memory was 1.0 GB in the beginning and 5.6 GB in the end (delta: 4.5 GB). Free memory was 957.6 MB in the beginning and 2.8 GB in the end (delta: -1.8 GB). Peak memory consumption was 2.7 GB. Max. memory is 11.5 GB. [2018-11-10 12:04:34,523 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:04:34,523 INFO L168 Benchmark]: CACSL2BoogieTranslator took 365.24 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 933.5 MB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. [2018-11-10 12:04:34,523 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 933.5 MB in the beginning and 1.1 GB in the end (delta: -211.0 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-10 12:04:34,524 INFO L168 Benchmark]: Boogie Preprocessor took 32.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 12:04:34,524 INFO L168 Benchmark]: RCFGBuilder took 562.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 93.3 MB). Peak memory consumption was 93.3 MB. Max. memory is 11.5 GB. [2018-11-10 12:04:34,524 INFO L168 Benchmark]: TraceAbstraction took 711749.99 ms. Allocated memory was 1.2 GB in the beginning and 5.6 GB in the end (delta: 4.4 GB). Free memory was 1.0 GB in the beginning and 2.8 GB in the end (delta: -1.8 GB). Peak memory consumption was 4.8 GB. Max. memory is 11.5 GB. [2018-11-10 12:04:34,524 INFO L168 Benchmark]: Witness Printer took 88.97 ms. Allocated memory is still 5.6 GB. Free memory was 2.8 GB in the beginning and 2.8 GB in the end (delta: 79.3 MB). Peak memory consumption was 79.3 MB. Max. memory is 11.5 GB. [2018-11-10 12:04:34,526 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 365.24 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 933.5 MB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 94.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 933.5 MB in the beginning and 1.1 GB in the end (delta: -211.0 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 562.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 93.3 MB). Peak memory consumption was 93.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 711749.99 ms. Allocated memory was 1.2 GB in the beginning and 5.6 GB in the end (delta: 4.4 GB). Free memory was 1.0 GB in the beginning and 2.8 GB in the end (delta: -1.8 GB). Peak memory consumption was 4.8 GB. Max. memory is 11.5 GB. * Witness Printer took 88.97 ms. Allocated memory is still 5.6 GB. Free memory was 2.8 GB in the beginning and 2.8 GB in the end (delta: 79.3 MB). Peak memory consumption was 79.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 257]: 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: 163]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 153]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 709]: Loop Invariant Derived loop invariant: ((((((((waterLevel <= 2 && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) || 1 < \old(pumpRunning) + \old(waterLevel)) || \old(pumpRunning) + 1 < \old(systemActive)) || (((0 == pumpRunning && waterLevel <= 1) && systemActive == 1) && splverifierCounter == 0)) || \old(methaneLevelCritical) + \old(systemActive) < 1) || \old(waterLevel) < \old(systemActive)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: ((((\old(methaneLevelCritical) + \old(systemActive) < 1 || \old(waterLevel) < \old(systemActive)) || \old(pumpRunning) + \old(methaneLevelCritical) < 0) || !(\old(methaneLevelCritical) == 0)) || !(\old(waterLevel) == 1)) || 0 < 2 * \old(pumpRunning) - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 168 locations, 1 error locations. SAFE Result, 711.6s OverallTime, 15 OverallIterations, 3 TraceHistogramMax, 277.4s AutomataDifference, 0.0s DeadEndRemovalTime, 46.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 3304 SDtfs, 6408 SDslu, 24508 SDs, 0 SdLazy, 24071 SolverSat, 3252 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 155.9s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 1251 GetRequests, 782 SyntacticMatches, 39 SemanticMatches, 430 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13140 ImplicationChecksByTransitivity, 21.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2041occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 276.6s AbstIntTime, 5 AbstIntIterations, 4 AbstIntStrong, 0.9939945126862098 AbsIntWeakeningRatio, 0.8979591836734694 AbsIntAvgWeakeningVarsNumRemoved, 3944.9761904761904 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 15 MinimizatonAttempts, 1178 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 69 LocationsWithAnnotation, 4835 PreInvPairs, 5202 NumberOfFragments, 2779 HoareAnnotationTreeSize, 4835 FomulaSimplifications, 1420918 FormulaSimplificationTreeSizeReduction, 14.2s HoareSimplificationTime, 69 FomulaSimplificationsInter, 1886346 FormulaSimplificationTreeSizeReductionInter, 32.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 1819 NumberOfCodeBlocks, 1819 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1973 ConstructedInterpolants, 0 QuantifiedInterpolants, 415622 SizeOfPredicates, 7 NumberOfNonLiveVariables, 842 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 17 InterpolantComputations, 10 PerfectInterpolantSequences, 259/292 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...