./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product53_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_5a9e6811-1ea1-4358-a34d-2ef29ad39bba/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5a9e6811-1ea1-4358-a34d-2ef29ad39bba/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5a9e6811-1ea1-4358-a34d-2ef29ad39bba/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5a9e6811-1ea1-4358-a34d-2ef29ad39bba/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product53_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5a9e6811-1ea1-4358-a34d-2ef29ad39bba/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5a9e6811-1ea1-4358-a34d-2ef29ad39bba/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 bf8906b0b730189db64c3dc46780e4460503fe36 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 10:23:48,068 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 10:23:48,069 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 10:23:48,075 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 10:23:48,075 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 10:23:48,076 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 10:23:48,076 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 10:23:48,077 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 10:23:48,078 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 10:23:48,078 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 10:23:48,078 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 10:23:48,079 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 10:23:48,079 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 10:23:48,079 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 10:23:48,080 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 10:23:48,080 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 10:23:48,081 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 10:23:48,081 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 10:23:48,082 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 10:23:48,083 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 10:23:48,083 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 10:23:48,084 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 10:23:48,085 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 10:23:48,085 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 10:23:48,085 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 10:23:48,086 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 10:23:48,086 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 10:23:48,087 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 10:23:48,087 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 10:23:48,087 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 10:23:48,087 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 10:23:48,088 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 10:23:48,088 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 10:23:48,088 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 10:23:48,089 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 10:23:48,089 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 10:23:48,089 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5a9e6811-1ea1-4358-a34d-2ef29ad39bba/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 10:23:48,096 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 10:23:48,096 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 10:23:48,097 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 10:23:48,097 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 10:23:48,097 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 10:23:48,097 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 10:23:48,097 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 10:23:48,097 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 10:23:48,097 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 10:23:48,097 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 10:23:48,097 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 10:23:48,097 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 10:23:48,098 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 10:23:48,098 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 10:23:48,098 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 10:23:48,098 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 10:23:48,098 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 10:23:48,098 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 10:23:48,098 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 10:23:48,098 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 10:23:48,099 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 10:23:48,099 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 10:23:48,099 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 10:23:48,099 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 10:23:48,099 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 10:23:48,099 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 10:23:48,099 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 10:23:48,099 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 10:23:48,099 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 10:23:48,099 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 10:23:48,100 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 10:23:48,100 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 10:23:48,100 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 10:23:48,100 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 10:23:48,100 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 10:23:48,100 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 10:23:48,100 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_5a9e6811-1ea1-4358-a34d-2ef29ad39bba/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 -> bf8906b0b730189db64c3dc46780e4460503fe36 [2018-12-09 10:23:48,117 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 10:23:48,124 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 10:23:48,126 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 10:23:48,127 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 10:23:48,127 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 10:23:48,128 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5a9e6811-1ea1-4358-a34d-2ef29ad39bba/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product53_true-unreach-call_false-termination.cil.c [2018-12-09 10:23:48,167 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5a9e6811-1ea1-4358-a34d-2ef29ad39bba/bin-2019/utaipan/data/e21b004aa/ae77eb48e34a47d69b34e2947bc05f10/FLAGeebf86af4 [2018-12-09 10:23:48,618 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 10:23:48,619 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5a9e6811-1ea1-4358-a34d-2ef29ad39bba/sv-benchmarks/c/product-lines/minepump_spec3_product53_true-unreach-call_false-termination.cil.c [2018-12-09 10:23:48,625 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5a9e6811-1ea1-4358-a34d-2ef29ad39bba/bin-2019/utaipan/data/e21b004aa/ae77eb48e34a47d69b34e2947bc05f10/FLAGeebf86af4 [2018-12-09 10:23:48,633 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5a9e6811-1ea1-4358-a34d-2ef29ad39bba/bin-2019/utaipan/data/e21b004aa/ae77eb48e34a47d69b34e2947bc05f10 [2018-12-09 10:23:48,634 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 10:23:48,635 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 10:23:48,636 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 10:23:48,636 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 10:23:48,638 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 10:23:48,638 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:23:48" (1/1) ... [2018-12-09 10:23:48,640 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@354f5439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:23:48, skipping insertion in model container [2018-12-09 10:23:48,640 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:23:48" (1/1) ... [2018-12-09 10:23:48,646 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 10:23:48,672 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 10:23:48,848 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 10:23:48,889 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 10:23:48,935 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 10:23:48,952 INFO L195 MainTranslator]: Completed translation [2018-12-09 10:23:48,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:23:48 WrapperNode [2018-12-09 10:23:48,952 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 10:23:48,952 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 10:23:48,953 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 10:23:48,953 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 10:23:48,958 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:23:48" (1/1) ... [2018-12-09 10:23:48,967 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:23:48" (1/1) ... [2018-12-09 10:23:48,973 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 10:23:48,973 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 10:23:48,973 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 10:23:48,973 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 10:23:48,980 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:23:48" (1/1) ... [2018-12-09 10:23:48,980 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:23:48" (1/1) ... [2018-12-09 10:23:48,982 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:23:48" (1/1) ... [2018-12-09 10:23:48,982 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:23:48" (1/1) ... [2018-12-09 10:23:48,988 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:23:48" (1/1) ... [2018-12-09 10:23:48,992 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:23:48" (1/1) ... [2018-12-09 10:23:48,994 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:23:48" (1/1) ... [2018-12-09 10:23:48,996 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 10:23:48,996 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 10:23:48,996 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 10:23:48,996 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 10:23:48,997 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:23:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5a9e6811-1ea1-4358-a34d-2ef29ad39bba/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 10:23:49,029 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 10:23:49,029 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 10:23:49,029 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 10:23:49,029 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 10:23:49,029 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-09 10:23:49,029 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-09 10:23:49,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 10:23:49,030 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 10:23:49,030 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 10:23:49,030 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-09 10:23:49,030 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-09 10:23:49,030 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 10:23:49,030 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 10:23:49,030 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 10:23:49,030 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 10:23:49,030 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 10:23:49,031 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 10:23:49,031 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-09 10:23:49,031 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-09 10:23:49,031 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-09 10:23:49,031 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-09 10:23:49,031 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-09 10:23:49,031 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-09 10:23:49,031 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-09 10:23:49,031 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-09 10:23:49,031 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 10:23:49,031 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 10:23:49,031 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 10:23:49,031 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 10:23:49,031 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 10:23:49,031 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 10:23:49,032 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 10:23:49,032 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 10:23:49,032 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 10:23:49,032 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 10:23:49,032 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 10:23:49,032 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 10:23:49,032 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 10:23:49,032 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 10:23:49,032 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-12-09 10:23:49,032 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-12-09 10:23:49,032 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 10:23:49,032 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 10:23:49,032 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 10:23:49,032 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 10:23:49,032 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 10:23:49,033 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 10:23:49,033 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-09 10:23:49,033 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-09 10:23:49,033 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 10:23:49,033 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 10:23:49,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 10:23:49,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 10:23:49,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 10:23:49,033 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 10:23:49,033 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 10:23:49,033 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-12-09 10:23:49,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-12-09 10:23:49,033 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 10:23:49,033 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 10:23:49,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 10:23:49,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 10:23:49,296 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 10:23:49,296 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 10:23:49,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:23:49 BoogieIcfgContainer [2018-12-09 10:23:49,296 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 10:23:49,297 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 10:23:49,297 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 10:23:49,299 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 10:23:49,299 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 10:23:48" (1/3) ... [2018-12-09 10:23:49,300 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66d80b30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 10:23:49, skipping insertion in model container [2018-12-09 10:23:49,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:23:48" (2/3) ... [2018-12-09 10:23:49,300 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66d80b30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 10:23:49, skipping insertion in model container [2018-12-09 10:23:49,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:23:49" (3/3) ... [2018-12-09 10:23:49,301 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product53_true-unreach-call_false-termination.cil.c [2018-12-09 10:23:49,307 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 10:23:49,311 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 10:23:49,320 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 10:23:49,338 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 10:23:49,338 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 10:23:49,338 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 10:23:49,338 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 10:23:49,338 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 10:23:49,339 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 10:23:49,339 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 10:23:49,339 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 10:23:49,350 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states. [2018-12-09 10:23:49,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 10:23:49,356 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:23:49,356 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:23:49,357 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:23:49,361 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:23:49,361 INFO L82 PathProgramCache]: Analyzing trace with hash -545221410, now seen corresponding path program 1 times [2018-12-09 10:23:49,362 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:23:49,390 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:23:49,390 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:23:49,391 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:23:49,391 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:23:49,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:23:49,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:23:49,498 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:23:49,499 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 10:23:49,499 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 10:23:49,502 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 10:23:49,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 10:23:49,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 10:23:49,511 INFO L87 Difference]: Start difference. First operand 162 states. Second operand 2 states. [2018-12-09 10:23:49,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:23:49,536 INFO L93 Difference]: Finished difference Result 298 states and 371 transitions. [2018-12-09 10:23:49,536 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 10:23:49,537 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-12-09 10:23:49,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:23:49,544 INFO L225 Difference]: With dead ends: 298 [2018-12-09 10:23:49,544 INFO L226 Difference]: Without dead ends: 149 [2018-12-09 10:23:49,547 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 10:23:49,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2018-12-09 10:23:49,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2018-12-09 10:23:49,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2018-12-09 10:23:49,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 177 transitions. [2018-12-09 10:23:49,577 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 177 transitions. Word has length 52 [2018-12-09 10:23:49,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:23:49,577 INFO L480 AbstractCegarLoop]: Abstraction has 149 states and 177 transitions. [2018-12-09 10:23:49,577 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 10:23:49,577 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 177 transitions. [2018-12-09 10:23:49,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-09 10:23:49,579 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:23:49,579 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:23:49,579 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:23:49,579 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:23:49,579 INFO L82 PathProgramCache]: Analyzing trace with hash 777859075, now seen corresponding path program 1 times [2018-12-09 10:23:49,579 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:23:49,580 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:23:49,580 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:23:49,580 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:23:49,580 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:23:49,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:23:49,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:23:49,630 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:23:49,630 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 10:23:49,630 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 10:23:49,631 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 10:23:49,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 10:23:49,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 10:23:49,632 INFO L87 Difference]: Start difference. First operand 149 states and 177 transitions. Second operand 3 states. [2018-12-09 10:23:49,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:23:49,646 INFO L93 Difference]: Finished difference Result 247 states and 293 transitions. [2018-12-09 10:23:49,646 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 10:23:49,646 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-12-09 10:23:49,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:23:49,647 INFO L225 Difference]: With dead ends: 247 [2018-12-09 10:23:49,647 INFO L226 Difference]: Without dead ends: 140 [2018-12-09 10:23:49,648 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 10:23:49,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2018-12-09 10:23:49,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2018-12-09 10:23:49,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2018-12-09 10:23:49,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 165 transitions. [2018-12-09 10:23:49,656 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 165 transitions. Word has length 53 [2018-12-09 10:23:49,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:23:49,656 INFO L480 AbstractCegarLoop]: Abstraction has 140 states and 165 transitions. [2018-12-09 10:23:49,656 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 10:23:49,656 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 165 transitions. [2018-12-09 10:23:49,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-09 10:23:49,657 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:23:49,657 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:23:49,657 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:23:49,657 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:23:49,657 INFO L82 PathProgramCache]: Analyzing trace with hash -2066705485, now seen corresponding path program 1 times [2018-12-09 10:23:49,658 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:23:49,658 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:23:49,658 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:23:49,658 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:23:49,658 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:23:49,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:23:49,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:23:49,731 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:23:49,731 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 10:23:49,731 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 10:23:49,731 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 10:23:49,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 10:23:49,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 10:23:49,732 INFO L87 Difference]: Start difference. First operand 140 states and 165 transitions. Second operand 7 states. [2018-12-09 10:23:49,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:23:49,929 INFO L93 Difference]: Finished difference Result 256 states and 307 transitions. [2018-12-09 10:23:49,929 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 10:23:49,929 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-12-09 10:23:49,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:23:49,931 INFO L225 Difference]: With dead ends: 256 [2018-12-09 10:23:49,931 INFO L226 Difference]: Without dead ends: 140 [2018-12-09 10:23:49,932 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 10:23:49,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2018-12-09 10:23:49,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2018-12-09 10:23:49,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2018-12-09 10:23:49,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 164 transitions. [2018-12-09 10:23:49,943 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 164 transitions. Word has length 57 [2018-12-09 10:23:49,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:23:49,943 INFO L480 AbstractCegarLoop]: Abstraction has 140 states and 164 transitions. [2018-12-09 10:23:49,943 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 10:23:49,944 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 164 transitions. [2018-12-09 10:23:49,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-09 10:23:49,945 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:23:49,945 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:23:49,946 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:23:49,946 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:23:49,946 INFO L82 PathProgramCache]: Analyzing trace with hash -1264660501, now seen corresponding path program 1 times [2018-12-09 10:23:49,946 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:23:49,947 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:23:49,947 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:23:49,947 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:23:49,947 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:23:49,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:23:50,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:23:50,026 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:23:50,027 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 10:23:50,027 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 10:23:50,027 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 10:23:50,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 10:23:50,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 10:23:50,028 INFO L87 Difference]: Start difference. First operand 140 states and 164 transitions. Second operand 5 states. [2018-12-09 10:23:50,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:23:50,316 INFO L93 Difference]: Finished difference Result 370 states and 449 transitions. [2018-12-09 10:23:50,317 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 10:23:50,317 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 75 [2018-12-09 10:23:50,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:23:50,318 INFO L225 Difference]: With dead ends: 370 [2018-12-09 10:23:50,318 INFO L226 Difference]: Without dead ends: 254 [2018-12-09 10:23:50,319 INFO L631 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 [2018-12-09 10:23:50,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2018-12-09 10:23:50,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 236. [2018-12-09 10:23:50,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2018-12-09 10:23:50,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 269 transitions. [2018-12-09 10:23:50,333 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 269 transitions. Word has length 75 [2018-12-09 10:23:50,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:23:50,333 INFO L480 AbstractCegarLoop]: Abstraction has 236 states and 269 transitions. [2018-12-09 10:23:50,333 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 10:23:50,333 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 269 transitions. [2018-12-09 10:23:50,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-09 10:23:50,334 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:23:50,334 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:23:50,334 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:23:50,335 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:23:50,335 INFO L82 PathProgramCache]: Analyzing trace with hash -1026428278, now seen corresponding path program 1 times [2018-12-09 10:23:50,335 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:23:50,335 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:23:50,335 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:23:50,335 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:23:50,335 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:23:50,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:23:50,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:23:50,389 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:23:50,389 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 10:23:50,389 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 10:23:50,389 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 10:23:50,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 10:23:50,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 10:23:50,390 INFO L87 Difference]: Start difference. First operand 236 states and 269 transitions. Second operand 6 states. [2018-12-09 10:23:50,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:23:50,486 INFO L93 Difference]: Finished difference Result 567 states and 680 transitions. [2018-12-09 10:23:50,487 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 10:23:50,487 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2018-12-09 10:23:50,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:23:50,490 INFO L225 Difference]: With dead ends: 567 [2018-12-09 10:23:50,490 INFO L226 Difference]: Without dead ends: 355 [2018-12-09 10:23:50,491 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 10:23:50,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2018-12-09 10:23:50,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 351. [2018-12-09 10:23:50,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 351 states. [2018-12-09 10:23:50,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 406 transitions. [2018-12-09 10:23:50,517 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 406 transitions. Word has length 89 [2018-12-09 10:23:50,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:23:50,517 INFO L480 AbstractCegarLoop]: Abstraction has 351 states and 406 transitions. [2018-12-09 10:23:50,517 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 10:23:50,517 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 406 transitions. [2018-12-09 10:23:50,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-09 10:23:50,518 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:23:50,518 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:23:50,519 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:23:50,519 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:23:50,519 INFO L82 PathProgramCache]: Analyzing trace with hash 1617221872, now seen corresponding path program 1 times [2018-12-09 10:23:50,519 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:23:50,520 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:23:50,520 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:23:50,520 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:23:50,520 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:23:50,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:23:50,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:23:50,597 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:23:50,597 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 10:23:50,597 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 10:23:50,597 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 10:23:50,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 10:23:50,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 10:23:50,598 INFO L87 Difference]: Start difference. First operand 351 states and 406 transitions. Second operand 6 states. [2018-12-09 10:23:50,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:23:50,736 INFO L93 Difference]: Finished difference Result 770 states and 927 transitions. [2018-12-09 10:23:50,740 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 10:23:50,740 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 93 [2018-12-09 10:23:50,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:23:50,743 INFO L225 Difference]: With dead ends: 770 [2018-12-09 10:23:50,743 INFO L226 Difference]: Without dead ends: 558 [2018-12-09 10:23:50,744 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 10:23:50,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 558 states. [2018-12-09 10:23:50,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 558 to 540. [2018-12-09 10:23:50,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 540 states. [2018-12-09 10:23:50,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 640 transitions. [2018-12-09 10:23:50,776 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 640 transitions. Word has length 93 [2018-12-09 10:23:50,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:23:50,777 INFO L480 AbstractCegarLoop]: Abstraction has 540 states and 640 transitions. [2018-12-09 10:23:50,777 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 10:23:50,777 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 640 transitions. [2018-12-09 10:23:50,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-09 10:23:50,778 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:23:50,778 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:23:50,778 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:23:50,779 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:23:50,779 INFO L82 PathProgramCache]: Analyzing trace with hash -318438415, now seen corresponding path program 1 times [2018-12-09 10:23:50,779 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:23:50,780 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:23:50,780 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:23:50,780 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:23:50,780 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:23:50,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:23:50,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:23:50,830 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:23:50,830 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 10:23:50,830 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 10:23:50,830 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 10:23:50,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 10:23:50,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 10:23:50,831 INFO L87 Difference]: Start difference. First operand 540 states and 640 transitions. Second operand 5 states. [2018-12-09 10:23:50,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:23:50,860 INFO L93 Difference]: Finished difference Result 951 states and 1153 transitions. [2018-12-09 10:23:50,861 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-09 10:23:50,861 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 93 [2018-12-09 10:23:50,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:23:50,863 INFO L225 Difference]: With dead ends: 951 [2018-12-09 10:23:50,863 INFO L226 Difference]: Without dead ends: 550 [2018-12-09 10:23:50,864 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 10:23:50,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2018-12-09 10:23:50,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 544. [2018-12-09 10:23:50,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 544 states. [2018-12-09 10:23:50,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 643 transitions. [2018-12-09 10:23:50,880 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 643 transitions. Word has length 93 [2018-12-09 10:23:50,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:23:50,880 INFO L480 AbstractCegarLoop]: Abstraction has 544 states and 643 transitions. [2018-12-09 10:23:50,880 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 10:23:50,880 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 643 transitions. [2018-12-09 10:23:50,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-09 10:23:50,881 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:23:50,881 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:23:50,882 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:23:50,882 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:23:50,882 INFO L82 PathProgramCache]: Analyzing trace with hash 341093107, now seen corresponding path program 1 times [2018-12-09 10:23:50,882 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:23:50,882 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:23:50,883 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:23:50,883 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:23:50,883 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:23:50,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:23:50,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:23:50,930 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:23:50,930 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-09 10:23:50,930 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 10:23:50,930 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 10:23:50,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 10:23:50,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-09 10:23:50,931 INFO L87 Difference]: Start difference. First operand 544 states and 643 transitions. Second operand 9 states. [2018-12-09 10:23:50,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:23:50,978 INFO L93 Difference]: Finished difference Result 1068 states and 1290 transitions. [2018-12-09 10:23:50,979 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 10:23:50,979 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 93 [2018-12-09 10:23:50,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:23:50,980 INFO L225 Difference]: With dead ends: 1068 [2018-12-09 10:23:50,980 INFO L226 Difference]: Without dead ends: 548 [2018-12-09 10:23:50,981 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-12-09 10:23:50,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2018-12-09 10:23:50,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 542. [2018-12-09 10:23:50,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 542 states. [2018-12-09 10:23:50,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 639 transitions. [2018-12-09 10:23:50,997 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 639 transitions. Word has length 93 [2018-12-09 10:23:50,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:23:50,997 INFO L480 AbstractCegarLoop]: Abstraction has 542 states and 639 transitions. [2018-12-09 10:23:50,997 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 10:23:50,997 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 639 transitions. [2018-12-09 10:23:50,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-09 10:23:50,998 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:23:50,998 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:23:50,998 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:23:50,998 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:23:50,998 INFO L82 PathProgramCache]: Analyzing trace with hash -8100710, now seen corresponding path program 1 times [2018-12-09 10:23:50,998 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:23:50,999 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:23:50,999 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:23:50,999 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:23:50,999 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:23:51,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:23:51,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:23:51,072 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:23:51,072 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-09 10:23:51,072 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 10:23:51,072 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 10:23:51,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 10:23:51,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-09 10:23:51,072 INFO L87 Difference]: Start difference. First operand 542 states and 639 transitions. Second operand 10 states. [2018-12-09 10:23:51,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:23:51,193 INFO L93 Difference]: Finished difference Result 1066 states and 1260 transitions. [2018-12-09 10:23:51,193 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-09 10:23:51,193 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 94 [2018-12-09 10:23:51,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:23:51,195 INFO L225 Difference]: With dead ends: 1066 [2018-12-09 10:23:51,195 INFO L226 Difference]: Without dead ends: 548 [2018-12-09 10:23:51,196 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-12-09 10:23:51,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2018-12-09 10:23:51,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 531. [2018-12-09 10:23:51,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 531 states. [2018-12-09 10:23:51,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 608 transitions. [2018-12-09 10:23:51,210 INFO L78 Accepts]: Start accepts. Automaton has 531 states and 608 transitions. Word has length 94 [2018-12-09 10:23:51,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:23:51,210 INFO L480 AbstractCegarLoop]: Abstraction has 531 states and 608 transitions. [2018-12-09 10:23:51,210 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 10:23:51,210 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 608 transitions. [2018-12-09 10:23:51,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-12-09 10:23:51,211 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:23:51,212 INFO L402 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] [2018-12-09 10:23:51,212 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:23:51,212 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:23:51,212 INFO L82 PathProgramCache]: Analyzing trace with hash -266874739, now seen corresponding path program 1 times [2018-12-09 10:23:51,212 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:23:51,212 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:23:51,213 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:23:51,213 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:23:51,213 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:23:51,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:23:51,251 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-09 10:23:51,251 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 10:23:51,251 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 10:23:51,252 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 138 with the following transitions: [2018-12-09 10:23:51,253 INFO L205 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], [75], [79], [83], [89], [91], [97], [99], [102], [119], [120], [121], [122], [123], [124], [125], [127], [130], [134], [135], [143], [144], [173], [176], [180], [186], [187], [189], [192], [194], [196], [199], [201], [206], [212], [215], [219], [220], [224], [227], [229], [232], [242], [250], [253], [268], [271], [272], [273], [274], [275], [276], [277], [278], [279], [280], [284], [286], [287], [288], [289], [290], [291], [294], [295], [300], [301], [304], [305], [310], [311], [312], [313], [314], [315], [316], [317], [318], [319], [320], [321], [322], [324], [325], [326], [328], [329], [330], [331], [342], [343] [2018-12-09 10:23:51,284 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 10:23:51,284 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 10:23:51,585 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 10:23:51,587 INFO L272 AbstractInterpreter]: Visited 85 different actions 85 times. Never merged. Never widened. Performed 2596 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2596 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 132 variables. [2018-12-09 10:23:51,591 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:23:51,591 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 10:23:51,790 INFO L227 lantSequenceWeakener]: Weakened 104 states. On average, predicates are now at 96.7% of their original sizes. [2018-12-09 10:23:51,790 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 10:23:51,921 INFO L418 sIntCurrentIteration]: We unified 136 AI predicates to 136 [2018-12-09 10:23:51,921 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 10:23:51,922 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 10:23:51,922 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [22] imperfect sequences [6] total 26 [2018-12-09 10:23:51,922 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 10:23:51,922 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-12-09 10:23:51,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-12-09 10:23:51,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=390, Unknown=0, NotChecked=0, Total=462 [2018-12-09 10:23:51,922 INFO L87 Difference]: Start difference. First operand 531 states and 608 transitions. Second operand 22 states. [2018-12-09 10:23:54,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:23:54,637 INFO L93 Difference]: Finished difference Result 1158 states and 1345 transitions. [2018-12-09 10:23:54,637 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-09 10:23:54,637 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 137 [2018-12-09 10:23:54,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:23:54,639 INFO L225 Difference]: With dead ends: 1158 [2018-12-09 10:23:54,639 INFO L226 Difference]: Without dead ends: 651 [2018-12-09 10:23:54,640 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 143 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 178 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=123, Invalid=689, Unknown=0, NotChecked=0, Total=812 [2018-12-09 10:23:54,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 651 states. [2018-12-09 10:23:54,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 651 to 633. [2018-12-09 10:23:54,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 633 states. [2018-12-09 10:23:54,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 633 states and 719 transitions. [2018-12-09 10:23:54,658 INFO L78 Accepts]: Start accepts. Automaton has 633 states and 719 transitions. Word has length 137 [2018-12-09 10:23:54,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:23:54,658 INFO L480 AbstractCegarLoop]: Abstraction has 633 states and 719 transitions. [2018-12-09 10:23:54,658 INFO L481 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-12-09 10:23:54,658 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 719 transitions. [2018-12-09 10:23:54,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-09 10:23:54,659 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:23:54,659 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 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] [2018-12-09 10:23:54,659 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:23:54,660 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:23:54,660 INFO L82 PathProgramCache]: Analyzing trace with hash -2107202415, now seen corresponding path program 1 times [2018-12-09 10:23:54,660 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:23:54,660 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:23:54,660 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:23:54,660 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:23:54,660 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:23:54,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:23:54,699 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-09 10:23:54,700 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 10:23:54,700 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 10:23:54,700 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 142 with the following transitions: [2018-12-09 10:23:54,700 INFO L205 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], [75], [79], [83], [89], [91], [94], [97], [99], [102], [119], [120], [121], [122], [123], [124], [125], [127], [130], [134], [135], [140], [142], [143], [144], [173], [176], [180], [186], [187], [189], [192], [194], [196], [199], [201], [206], [212], [215], [219], [220], [224], [227], [229], [232], [242], [250], [253], [268], [271], [272], [273], [274], [275], [276], [277], [278], [279], [280], [284], [286], [287], [288], [289], [290], [291], [294], [295], [298], [299], [300], [301], [304], [305], [310], [311], [312], [313], [314], [315], [316], [317], [318], [319], [320], [321], [322], [324], [325], [326], [328], [329], [330], [331], [342], [343] [2018-12-09 10:23:54,703 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 10:23:54,703 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 10:23:55,759 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 10:23:55,759 INFO L272 AbstractInterpreter]: Visited 119 different actions 755 times. Merged at 18 different actions 57 times. Never widened. Performed 31542 root evaluator evaluations with a maximum evaluation depth of 3. Performed 31542 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 11 fixpoints after 2 different actions. Largest state had 132 variables. [2018-12-09 10:23:55,762 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:23:55,762 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 10:23:55,762 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 10:23:55,762 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5a9e6811-1ea1-4358-a34d-2ef29ad39bba/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 10:23:55,769 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:23:55,769 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 10:23:55,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:23:55,839 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 10:23:55,901 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-09 10:23:55,901 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 10:23:56,014 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-09 10:23:56,040 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-09 10:23:56,040 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6, 6] total 11 [2018-12-09 10:23:56,040 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 10:23:56,041 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 10:23:56,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 10:23:56,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2018-12-09 10:23:56,041 INFO L87 Difference]: Start difference. First operand 633 states and 719 transitions. Second operand 6 states. [2018-12-09 10:23:56,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:23:56,171 INFO L93 Difference]: Finished difference Result 1578 states and 1847 transitions. [2018-12-09 10:23:56,171 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 10:23:56,172 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 141 [2018-12-09 10:23:56,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:23:56,176 INFO L225 Difference]: With dead ends: 1578 [2018-12-09 10:23:56,176 INFO L226 Difference]: Without dead ends: 1071 [2018-12-09 10:23:56,177 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 290 GetRequests, 274 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2018-12-09 10:23:56,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1071 states. [2018-12-09 10:23:56,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1071 to 1071. [2018-12-09 10:23:56,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1071 states. [2018-12-09 10:23:56,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1071 states to 1071 states and 1223 transitions. [2018-12-09 10:23:56,227 INFO L78 Accepts]: Start accepts. Automaton has 1071 states and 1223 transitions. Word has length 141 [2018-12-09 10:23:56,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:23:56,228 INFO L480 AbstractCegarLoop]: Abstraction has 1071 states and 1223 transitions. [2018-12-09 10:23:56,228 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 10:23:56,228 INFO L276 IsEmpty]: Start isEmpty. Operand 1071 states and 1223 transitions. [2018-12-09 10:23:56,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-12-09 10:23:56,231 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:23:56,231 INFO L402 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] [2018-12-09 10:23:56,231 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:23:56,231 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:23:56,231 INFO L82 PathProgramCache]: Analyzing trace with hash 888480829, now seen corresponding path program 1 times [2018-12-09 10:23:56,231 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:23:56,232 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:23:56,232 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:23:56,232 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:23:56,232 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:23:56,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:23:56,313 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 19 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-09 10:23:56,314 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 10:23:56,314 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 10:23:56,314 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 144 with the following transitions: [2018-12-09 10:23:56,314 INFO L205 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], [75], [79], [83], [89], [91], [97], [99], [102], [119], [120], [121], [122], [123], [124], [125], [127], [130], [134], [135], [143], [144], [173], [176], [180], [186], [187], [189], [194], [196], [199], [201], [206], [210], [212], [215], [219], [220], [224], [227], [229], [232], [242], [250], [253], [268], [271], [272], [273], [274], [275], [276], [277], [278], [279], [280], [284], [286], [287], [288], [289], [290], [291], [294], [295], [300], [301], [304], [305], [310], [311], [312], [313], [314], [315], [316], [317], [318], [319], [320], [321], [322], [324], [325], [326], [328], [329], [330], [331], [342], [343] [2018-12-09 10:23:56,317 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 10:23:56,317 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 10:23:56,946 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 10:23:56,946 INFO L272 AbstractInterpreter]: Visited 114 different actions 549 times. Merged at 16 different actions 48 times. Never widened. Performed 20125 root evaluator evaluations with a maximum evaluation depth of 3. Performed 20125 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 7 fixpoints after 2 different actions. Largest state had 132 variables. [2018-12-09 10:23:56,950 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:23:56,950 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 10:23:56,950 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 10:23:56,950 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5a9e6811-1ea1-4358-a34d-2ef29ad39bba/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 10:23:56,956 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:23:56,956 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 10:23:57,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:23:57,057 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 10:23:57,120 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-09 10:23:57,121 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 10:23:57,297 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-09 10:23:57,313 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-09 10:23:57,313 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [6, 9] total 19 [2018-12-09 10:23:57,313 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 10:23:57,313 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 10:23:57,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 10:23:57,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=286, Unknown=0, NotChecked=0, Total=342 [2018-12-09 10:23:57,314 INFO L87 Difference]: Start difference. First operand 1071 states and 1223 transitions. Second operand 9 states. [2018-12-09 10:23:57,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:23:57,555 INFO L93 Difference]: Finished difference Result 1867 states and 2227 transitions. [2018-12-09 10:23:57,556 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 10:23:57,556 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 143 [2018-12-09 10:23:57,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:23:57,556 INFO L225 Difference]: With dead ends: 1867 [2018-12-09 10:23:57,557 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 10:23:57,559 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 296 GetRequests, 273 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=85, Invalid=421, Unknown=0, NotChecked=0, Total=506 [2018-12-09 10:23:57,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 10:23:57,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 10:23:57,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 10:23:57,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 10:23:57,559 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 143 [2018-12-09 10:23:57,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:23:57,560 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 10:23:57,560 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 10:23:57,560 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 10:23:57,560 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 10:23:57,563 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 10:23:58,443 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 34 [2018-12-09 10:23:58,746 WARN L180 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 35 [2018-12-09 10:23:58,864 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 30 [2018-12-09 10:23:59,637 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 70 76) the Hoare annotation is: true [2018-12-09 10:23:59,637 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 70 76) no Hoare annotation was computed. [2018-12-09 10:23:59,637 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 77 85) no Hoare annotation was computed. [2018-12-09 10:23:59,638 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 77 85) the Hoare annotation is: true [2018-12-09 10:23:59,638 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 77 85) no Hoare annotation was computed. [2018-12-09 10:23:59,638 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 965 987) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 10:23:59,638 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 965 987) no Hoare annotation was computed. [2018-12-09 10:23:59,638 INFO L444 ceAbstractionStarter]: At program point L977(line 977) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 10:23:59,638 INFO L444 ceAbstractionStarter]: At program point L977-1(line 977) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 10:23:59,638 INFO L448 ceAbstractionStarter]: For program point L975(lines 975 982) no Hoare annotation was computed. [2018-12-09 10:23:59,638 INFO L448 ceAbstractionStarter]: For program point L975-1(lines 975 982) no Hoare annotation was computed. [2018-12-09 10:23:59,638 INFO L448 ceAbstractionStarter]: For program point L973(line 973) no Hoare annotation was computed. [2018-12-09 10:23:59,638 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 965 987) no Hoare annotation was computed. [2018-12-09 10:23:59,638 INFO L444 ceAbstractionStarter]: At program point L972(line 972) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 10:23:59,638 INFO L444 ceAbstractionStarter]: At program point L971(line 971) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 10:23:59,638 INFO L444 ceAbstractionStarter]: At program point L971-1(line 971) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 10:23:59,638 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 305 313) no Hoare annotation was computed. [2018-12-09 10:23:59,638 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 305 313) the Hoare annotation is: true [2018-12-09 10:23:59,638 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 305 313) no Hoare annotation was computed. [2018-12-09 10:23:59,638 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 382) no Hoare annotation was computed. [2018-12-09 10:23:59,639 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 369 387) the Hoare annotation is: true [2018-12-09 10:23:59,639 INFO L451 ceAbstractionStarter]: At program point L376(line 376) the Hoare annotation is: true [2018-12-09 10:23:59,639 INFO L448 ceAbstractionStarter]: For program point L378-2(lines 378 382) no Hoare annotation was computed. [2018-12-09 10:23:59,639 INFO L448 ceAbstractionStarter]: For program point L376-1(line 376) no Hoare annotation was computed. [2018-12-09 10:23:59,639 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 369 387) no Hoare annotation was computed. [2018-12-09 10:23:59,639 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 369 387) no Hoare annotation was computed. [2018-12-09 10:23:59,639 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 63 69) no Hoare annotation was computed. [2018-12-09 10:23:59,639 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 63 69) the Hoare annotation is: true [2018-12-09 10:23:59,639 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 955 964) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 10:23:59,639 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 955 964) no Hoare annotation was computed. [2018-12-09 10:23:59,639 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 955 964) no Hoare annotation was computed. [2018-12-09 10:23:59,639 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 294 304) the Hoare annotation is: true [2018-12-09 10:23:59,639 INFO L451 ceAbstractionStarter]: At program point L299(line 299) the Hoare annotation is: true [2018-12-09 10:23:59,639 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 294 304) no Hoare annotation was computed. [2018-12-09 10:23:59,639 INFO L448 ceAbstractionStarter]: For program point L299-1(line 299) no Hoare annotation was computed. [2018-12-09 10:23:59,639 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 294 304) no Hoare annotation was computed. [2018-12-09 10:23:59,639 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 286 293) the Hoare annotation is: (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-09 10:23:59,639 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 286 293) no Hoare annotation was computed. [2018-12-09 10:23:59,639 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 286 293) no Hoare annotation was computed. [2018-12-09 10:23:59,639 INFO L448 ceAbstractionStarter]: For program point L473(lines 473 479) no Hoare annotation was computed. [2018-12-09 10:23:59,639 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 469 482) no Hoare annotation was computed. [2018-12-09 10:23:59,639 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 469 482) the Hoare annotation is: true [2018-12-09 10:23:59,639 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 469 482) no Hoare annotation was computed. [2018-12-09 10:23:59,640 INFO L448 ceAbstractionStarter]: For program point L257(lines 257 274) no Hoare annotation was computed. [2018-12-09 10:23:59,640 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 253 277) no Hoare annotation was computed. [2018-12-09 10:23:59,640 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 253 277) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (<= 3 ~waterLevel~0) .cse0 .cse1) (or (< 1 ~waterLevel~0) .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1))) [2018-12-09 10:23:59,640 INFO L444 ceAbstractionStarter]: At program point L272(line 272) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) (<= 3 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0))) [2018-12-09 10:23:59,640 INFO L448 ceAbstractionStarter]: For program point L272-1(lines 253 277) no Hoare annotation was computed. [2018-12-09 10:23:59,640 INFO L444 ceAbstractionStarter]: At program point L267(line 267) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (<= 3 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-12-09 10:23:59,640 INFO L444 ceAbstractionStarter]: At program point L263(line 263) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (<= 3 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-12-09 10:23:59,640 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 269) no Hoare annotation was computed. [2018-12-09 10:23:59,640 INFO L444 ceAbstractionStarter]: At program point L259(line 259) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (<= 3 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-12-09 10:23:59,640 INFO L448 ceAbstractionStarter]: For program point L259-1(line 259) no Hoare annotation was computed. [2018-12-09 10:23:59,640 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 193 199) no Hoare annotation was computed. [2018-12-09 10:23:59,640 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 193 199) the Hoare annotation is: true [2018-12-09 10:23:59,640 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 91 154) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 10:23:59,640 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 91 154) no Hoare annotation was computed. [2018-12-09 10:23:59,640 INFO L444 ceAbstractionStarter]: At program point L147(lines 100 148) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 10:23:59,640 INFO L448 ceAbstractionStarter]: For program point L137(lines 137 141) no Hoare annotation was computed. [2018-12-09 10:23:59,640 INFO L444 ceAbstractionStarter]: At program point L137-2(lines 131 142) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 3)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 1) .cse1) (and (= 0 ~pumpRunning~0) .cse0 .cse1) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 10:23:59,640 INFO L448 ceAbstractionStarter]: For program point L102(lines 101 146) no Hoare annotation was computed. [2018-12-09 10:23:59,640 INFO L448 ceAbstractionStarter]: For program point L131(lines 131 142) no Hoare annotation was computed. [2018-12-09 10:23:59,641 INFO L444 ceAbstractionStarter]: At program point L123(line 123) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 3)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 1) .cse1) (and (= 0 ~pumpRunning~0) .cse0 .cse1) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 10:23:59,641 INFO L448 ceAbstractionStarter]: For program point L121(lines 121 127) no Hoare annotation was computed. [2018-12-09 10:23:59,641 INFO L448 ceAbstractionStarter]: For program point L121-1(lines 121 127) no Hoare annotation was computed. [2018-12-09 10:23:59,641 INFO L444 ceAbstractionStarter]: At program point L113(line 113) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) .cse0) (and (< ~waterLevel~0 3) (= ~pumpRunning~0 1) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 10:23:59,641 INFO L444 ceAbstractionStarter]: At program point L144(lines 101 146) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) .cse0) (and (< ~waterLevel~0 3) (= ~pumpRunning~0 1) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 10:23:59,641 INFO L448 ceAbstractionStarter]: For program point L111(lines 111 117) no Hoare annotation was computed. [2018-12-09 10:23:59,641 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 111 117) no Hoare annotation was computed. [2018-12-09 10:23:59,641 INFO L448 ceAbstractionStarter]: For program point L103(lines 103 107) no Hoare annotation was computed. [2018-12-09 10:23:59,641 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 91 154) no Hoare annotation was computed. [2018-12-09 10:23:59,641 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 483 491) no Hoare annotation was computed. [2018-12-09 10:23:59,641 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 483 491) the Hoare annotation is: true [2018-12-09 10:23:59,641 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 483 491) no Hoare annotation was computed. [2018-12-09 10:23:59,641 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 10:23:59,641 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (or (< ~waterLevel~0 3) (< 2 |old(~waterLevel~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-09 10:23:59,641 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 10:23:59,641 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 278 285) no Hoare annotation was computed. [2018-12-09 10:23:59,641 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 278 285) no Hoare annotation was computed. [2018-12-09 10:23:59,641 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 278 285) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (<= 3 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-09 10:23:59,641 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 460 468) the Hoare annotation is: true [2018-12-09 10:23:59,641 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 460 468) no Hoare annotation was computed. [2018-12-09 10:23:59,641 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 460 468) no Hoare annotation was computed. [2018-12-09 10:23:59,642 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 350 368) no Hoare annotation was computed. [2018-12-09 10:23:59,642 INFO L448 ceAbstractionStarter]: For program point L359(lines 359 363) no Hoare annotation was computed. [2018-12-09 10:23:59,642 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 350 368) the Hoare annotation is: true [2018-12-09 10:23:59,642 INFO L451 ceAbstractionStarter]: At program point L357(line 357) the Hoare annotation is: true [2018-12-09 10:23:59,642 INFO L448 ceAbstractionStarter]: For program point L359-2(lines 359 363) no Hoare annotation was computed. [2018-12-09 10:23:59,642 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 350 368) no Hoare annotation was computed. [2018-12-09 10:23:59,642 INFO L448 ceAbstractionStarter]: For program point L357-1(line 357) no Hoare annotation was computed. [2018-12-09 10:23:59,642 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 416 427) the Hoare annotation is: (let ((.cse1 (not (= 1 ~pumpRunning~0))) (.cse0 (= ~methaneLevelCritical~0 0)) (.cse3 (not (= ~waterLevel~0 1))) (.cse4 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse6 (< |old(~methaneLevelCritical~0)| 1)) (.cse8 (not (= 0 ~pumpRunning~0))) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse7 (<= 3 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 (or .cse1 .cse2) .cse7) (or .cse8 .cse2 .cse0 .cse3 .cse4) (or .cse6 .cse8 .cse5 .cse7 .cse2))) [2018-12-09 10:23:59,642 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 416 427) no Hoare annotation was computed. [2018-12-09 10:23:59,642 INFO L448 ceAbstractionStarter]: For program point L420-1(lines 416 427) no Hoare annotation was computed. [2018-12-09 10:23:59,642 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 428 436) the Hoare annotation is: true [2018-12-09 10:23:59,642 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 428 436) no Hoare annotation was computed. [2018-12-09 10:23:59,642 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 428 436) no Hoare annotation was computed. [2018-12-09 10:23:59,642 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 894 923) no Hoare annotation was computed. [2018-12-09 10:23:59,642 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 894 923) the Hoare annotation is: true [2018-12-09 10:23:59,642 INFO L451 ceAbstractionStarter]: At program point L919(lines 894 923) the Hoare annotation is: true [2018-12-09 10:23:59,642 INFO L448 ceAbstractionStarter]: For program point L915(line 915) no Hoare annotation was computed. [2018-12-09 10:23:59,642 INFO L448 ceAbstractionStarter]: For program point L908(lines 908 912) no Hoare annotation was computed. [2018-12-09 10:23:59,642 INFO L451 ceAbstractionStarter]: At program point L908-1(lines 908 912) the Hoare annotation is: true [2018-12-09 10:23:59,642 INFO L448 ceAbstractionStarter]: For program point L905(line 905) no Hoare annotation was computed. [2018-12-09 10:23:59,642 INFO L451 ceAbstractionStarter]: At program point L904-2(lines 904 918) the Hoare annotation is: true [2018-12-09 10:23:59,642 INFO L451 ceAbstractionStarter]: At program point L900(line 900) the Hoare annotation is: true [2018-12-09 10:23:59,642 INFO L448 ceAbstractionStarter]: For program point L900-1(line 900) no Hoare annotation was computed. [2018-12-09 10:23:59,643 INFO L444 ceAbstractionStarter]: At program point L182(line 182) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 1)) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (<= 3 |old(~waterLevel~0)|)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or (< 1 |old(~waterLevel~0)|) .cse0 .cse1 .cse2) (or .cse0 .cse3 (and (< ~waterLevel~0 3) .cse4) .cse2) (or (or (not (= 1 |old(~pumpRunning~0)|)) .cse2) (and .cse1 .cse4) .cse3) (or (= 1 ~waterLevel~0) .cse0 .cse2 (not (= |old(~waterLevel~0)| 1))))) [2018-12-09 10:23:59,643 INFO L444 ceAbstractionStarter]: At program point L180(lines 180 186) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 1))) (let ((.cse4 (and .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse3 (<= 3 |old(~waterLevel~0)|)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or (< 1 |old(~waterLevel~0)|) .cse0 .cse1 .cse2) (or .cse1 .cse3 .cse2 .cse4 (and (< ~waterLevel~0 3) (= ~pumpRunning~0 1))) (or (and (= 0 ~pumpRunning~0) .cse0) (or (not (= 1 |old(~pumpRunning~0)|)) .cse2) .cse4 .cse3) (or (= 1 ~waterLevel~0) .cse1 .cse2 (not (= |old(~waterLevel~0)| 1)))))) [2018-12-09 10:23:59,643 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 169 192) the Hoare annotation is: (let ((.cse9 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (let ((.cse4 (<= 3 |old(~waterLevel~0)|)) (.cse5 (and (< ~waterLevel~0 3) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse0 (< 1 |old(~waterLevel~0)|)) (.cse6 (or .cse9 .cse3)) (.cse2 (<= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (= 1 ~waterLevel~0)) (.cse8 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse5 .cse3) (or .cse6 .cse4 .cse5) (or .cse0 .cse6 .cse2) (or .cse7 .cse1 .cse3 .cse8) (or .cse7 (or .cse9 .cse3 .cse8))))) [2018-12-09 10:23:59,643 INFO L444 ceAbstractionStarter]: At program point L175(line 175) the Hoare annotation is: (let ((.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (let ((.cse2 (or .cse3 .cse1)) (.cse0 (<= 3 |old(~waterLevel~0)|))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (< 1 |old(~waterLevel~0)|) .cse2 (<= ~waterLevel~0 1)) (or (= 1 ~waterLevel~0) (or .cse3 .cse1 (not (= |old(~waterLevel~0)| 1)))) (or .cse2 (and (< ~waterLevel~0 3) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse0)))) [2018-12-09 10:23:59,643 INFO L448 ceAbstractionStarter]: For program point L173(lines 172 191) no Hoare annotation was computed. [2018-12-09 10:23:59,643 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 169 192) no Hoare annotation was computed. [2018-12-09 10:23:59,643 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 169 192) no Hoare annotation was computed. [2018-12-09 10:23:59,643 INFO L448 ceAbstractionStarter]: For program point L512(lines 512 518) no Hoare annotation was computed. [2018-12-09 10:23:59,643 INFO L444 ceAbstractionStarter]: At program point L510(line 510) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1) (or .cse0 .cse2 .cse1) (or (< ~methaneLevelCritical~0 1) (<= 3 ~waterLevel~0) .cse2 .cse1))) [2018-12-09 10:23:59,643 INFO L448 ceAbstractionStarter]: For program point L510-1(line 510) no Hoare annotation was computed. [2018-12-09 10:23:59,643 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 493 525) no Hoare annotation was computed. [2018-12-09 10:23:59,643 INFO L448 ceAbstractionStarter]: For program point L508(lines 508 521) no Hoare annotation was computed. [2018-12-09 10:23:59,643 INFO L448 ceAbstractionStarter]: For program point L508-1(lines 493 525) no Hoare annotation was computed. [2018-12-09 10:23:59,643 INFO L444 ceAbstractionStarter]: At program point L506(line 506) the Hoare annotation is: (let ((.cse0 (< ~methaneLevelCritical~0 1)) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (< 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) .cse1) (or .cse0 (<= 3 ~waterLevel~0) .cse2 .cse1) (or (= __utac_acc__Specification3_spec__1_~tmp~6 0) .cse2 .cse1 (not (= ~waterLevel~0 1)) (not (= ~methaneLevelCritical~0 0))))) [2018-12-09 10:23:59,643 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 493 525) the Hoare annotation is: true [2018-12-09 10:23:59,643 INFO L448 ceAbstractionStarter]: For program point L506-1(line 506) no Hoare annotation was computed. [2018-12-09 10:23:59,643 INFO L448 ceAbstractionStarter]: For program point L502(lines 502 522) no Hoare annotation was computed. [2018-12-09 10:23:59,644 INFO L451 ceAbstractionStarter]: At program point L500(line 500) the Hoare annotation is: true [2018-12-09 10:23:59,644 INFO L448 ceAbstractionStarter]: For program point L500-1(line 500) no Hoare annotation was computed. [2018-12-09 10:23:59,644 INFO L444 ceAbstractionStarter]: At program point L516(line 516) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (<= 3 ~waterLevel~0) (not (= 1 ~pumpRunning~0)) .cse0) (or (< 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) .cse0))) [2018-12-09 10:23:59,644 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 392 403) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse1 (or (= ~pumpRunning~0 0) .cse2)) (.cse0 (not (= 1 ~pumpRunning~0)))) (and (or (< 1 |old(~waterLevel~0)|) (<= ~waterLevel~0 1) .cse0 .cse1) (or (< ~waterLevel~0 3) (<= 3 |old(~waterLevel~0)|) .cse0 .cse1) (or (or .cse0 .cse2 (not (= |old(~waterLevel~0)| 1))) (= 1 ~waterLevel~0))))) [2018-12-09 10:23:59,644 INFO L448 ceAbstractionStarter]: For program point L396-1(lines 392 403) no Hoare annotation was computed. [2018-12-09 10:23:59,644 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 392 403) no Hoare annotation was computed. [2018-12-09 10:23:59,644 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 948 954) no Hoare annotation was computed. [2018-12-09 10:23:59,644 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 948 954) the Hoare annotation is: true [2018-12-09 10:23:59,644 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 10:23:59,644 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-09 10:23:59,644 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 10:23:59,644 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 10:23:59,644 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 201 225) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (<= 3 ~waterLevel~0) .cse0 .cse1) (or (< 1 ~waterLevel~0) .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1))) [2018-12-09 10:23:59,644 INFO L444 ceAbstractionStarter]: At program point L220(line 220) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (<= 3 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-12-09 10:23:59,644 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 201 225) no Hoare annotation was computed. [2018-12-09 10:23:59,644 INFO L448 ceAbstractionStarter]: For program point L220-1(lines 201 225) no Hoare annotation was computed. [2018-12-09 10:23:59,644 INFO L444 ceAbstractionStarter]: At program point L215(line 215) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) (<= 3 ~waterLevel~0) .cse0 (and (<= ~waterLevel~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-12-09 10:23:59,644 INFO L444 ceAbstractionStarter]: At program point L211(line 211) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1)))) (and (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (<= 3 ~waterLevel~0) (and (<= ~waterLevel~0 1) .cse0) .cse1 (and (= processEnvironment__wrappee__highWaterSensor_~tmp~1 1) .cse0))) (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse1))) [2018-12-09 10:23:59,644 INFO L448 ceAbstractionStarter]: For program point L209(lines 209 217) no Hoare annotation was computed. [2018-12-09 10:23:59,644 INFO L444 ceAbstractionStarter]: At program point L207(line 207) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) (<= 3 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0))) [2018-12-09 10:23:59,645 INFO L448 ceAbstractionStarter]: For program point L207-1(line 207) no Hoare annotation was computed. [2018-12-09 10:23:59,645 INFO L448 ceAbstractionStarter]: For program point L205(lines 205 222) no Hoare annotation was computed. [2018-12-09 10:23:59,645 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 404 415) no Hoare annotation was computed. [2018-12-09 10:23:59,645 INFO L448 ceAbstractionStarter]: For program point L408-1(lines 404 415) no Hoare annotation was computed. [2018-12-09 10:23:59,645 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 404 415) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse4 (< 1 |old(~waterLevel~0)|)) (.cse5 (<= ~waterLevel~0 1)) (.cse3 (= 1 ~waterLevel~0)) (.cse6 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~waterLevel~0)| 1)))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or .cse4 .cse0 .cse5 .cse1) (or .cse4 .cse5 .cse6 .cse1) (or (<= 3 |old(~waterLevel~0)|) (< ~waterLevel~0 3) .cse6 .cse1) (or .cse3 (or .cse6 .cse1 .cse2)))) [2018-12-09 10:23:59,645 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-12-09 10:23:59,645 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-12-09 10:23:59,645 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-12-09 10:23:59,645 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-12-09 10:23:59,645 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 227 251) no Hoare annotation was computed. [2018-12-09 10:23:59,645 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 227 251) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (<= 3 ~waterLevel~0) .cse0 .cse1) (or (< 1 ~waterLevel~0) .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1))) [2018-12-09 10:23:59,645 INFO L444 ceAbstractionStarter]: At program point L246(line 246) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) (<= 3 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0))) [2018-12-09 10:23:59,645 INFO L448 ceAbstractionStarter]: For program point L246-1(lines 227 251) no Hoare annotation was computed. [2018-12-09 10:23:59,645 INFO L444 ceAbstractionStarter]: At program point L241(line 241) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (<= 3 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-12-09 10:23:59,645 INFO L444 ceAbstractionStarter]: At program point L237(line 237) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (<= 3 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-12-09 10:23:59,645 INFO L448 ceAbstractionStarter]: For program point L235(lines 235 243) no Hoare annotation was computed. [2018-12-09 10:23:59,645 INFO L444 ceAbstractionStarter]: At program point L233(line 233) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (<= 3 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-12-09 10:23:59,645 INFO L448 ceAbstractionStarter]: For program point L233-1(line 233) no Hoare annotation was computed. [2018-12-09 10:23:59,645 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 248) no Hoare annotation was computed. [2018-12-09 10:23:59,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 10:23:59 BoogieIcfgContainer [2018-12-09 10:23:59,655 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 10:23:59,655 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 10:23:59,655 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 10:23:59,655 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 10:23:59,655 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:23:49" (3/4) ... [2018-12-09 10:23:59,658 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 10:23:59,663 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-09 10:23:59,663 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-09 10:23:59,663 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 10:23:59,663 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-09 10:23:59,663 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-09 10:23:59,663 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-09 10:23:59,663 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-09 10:23:59,664 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-09 10:23:59,664 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-09 10:23:59,664 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-09 10:23:59,664 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-09 10:23:59,664 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-09 10:23:59,664 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-09 10:23:59,664 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-09 10:23:59,664 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 10:23:59,664 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-09 10:23:59,664 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-09 10:23:59,664 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-09 10:23:59,664 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-09 10:23:59,664 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-09 10:23:59,665 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-09 10:23:59,665 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-09 10:23:59,665 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification3_spec__1 [2018-12-09 10:23:59,665 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-09 10:23:59,665 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-09 10:23:59,665 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 10:23:59,665 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-09 10:23:59,665 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-09 10:23:59,666 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2018-12-09 10:23:59,672 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-12-09 10:23:59,672 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-09 10:23:59,672 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-09 10:23:59,673 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 10:23:59,673 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 10:23:59,673 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 10:23:59,697 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(0 == \old(pumpRunning)) || ((0 == pumpRunning && waterLevel <= 1) && splverifierCounter == 0)) || ((waterLevel < 3 && pumpRunning == 1) && splverifierCounter == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 10:23:59,698 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 10:23:59,728 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5a9e6811-1ea1-4358-a34d-2ef29ad39bba/bin-2019/utaipan/witness.graphml [2018-12-09 10:23:59,728 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 10:23:59,729 INFO L168 Benchmark]: Toolchain (without parser) took 11093.88 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 684.7 MB). Free memory was 947.0 MB in the beginning and 1.3 GB in the end (delta: -308.6 MB). Peak memory consumption was 376.1 MB. Max. memory is 11.5 GB. [2018-12-09 10:23:59,729 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 10:23:59,729 INFO L168 Benchmark]: CACSL2BoogieTranslator took 316.40 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.6 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -141.9 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. [2018-12-09 10:23:59,729 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.25 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 10:23:59,729 INFO L168 Benchmark]: Boogie Preprocessor took 22.92 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-12-09 10:23:59,730 INFO L168 Benchmark]: RCFGBuilder took 300.49 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 52.0 MB). Peak memory consumption was 52.0 MB. Max. memory is 11.5 GB. [2018-12-09 10:23:59,730 INFO L168 Benchmark]: TraceAbstraction took 10357.69 ms. Allocated memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: 585.1 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -243.3 MB). Peak memory consumption was 664.0 MB. Max. memory is 11.5 GB. [2018-12-09 10:23:59,730 INFO L168 Benchmark]: Witness Printer took 73.32 ms. Allocated memory is still 1.7 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 11.5 GB. [2018-12-09 10:23:59,731 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 316.40 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.6 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -141.9 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.25 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.92 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 300.49 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 52.0 MB). Peak memory consumption was 52.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 10357.69 ms. Allocated memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: 585.1 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -243.3 MB). Peak memory consumption was 664.0 MB. Max. memory is 11.5 GB. * Witness Printer took 73.32 ms. Allocated memory is still 1.7 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 101]: Loop Invariant Derived loop invariant: ((((!(0 == \old(pumpRunning)) || ((0 == pumpRunning && waterLevel <= 1) && splverifierCounter == 0)) || ((waterLevel < 3 && pumpRunning == 1) && splverifierCounter == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 894]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 904]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 162 locations, 1 error locations. SAFE Result, 10.3s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 4.1s AutomataDifference, 0.0s DeadEndRemovalTime, 2.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2279 SDtfs, 1500 SDslu, 8366 SDs, 0 SdLazy, 1752 SolverSat, 440 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 816 GetRequests, 697 SyntacticMatches, 8 SemanticMatches, 111 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1071occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.0s AbstIntTime, 3 AbstIntIterations, 1 AbstIntStrong, 0.9967150550657219 AbsIntWeakeningRatio, 0.9191176470588235 AbsIntAvgWeakeningVarsNumRemoved, 86.6029411764706 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 87 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 2240 PreInvPairs, 2381 NumberOfFragments, 1630 HoareAnnotationTreeSize, 2240 FomulaSimplifications, 2737 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 67 FomulaSimplificationsInter, 16004 FormulaSimplificationTreeSizeReductionInter, 1.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1404 NumberOfCodeBlocks, 1404 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1672 ConstructedInterpolants, 0 QuantifiedInterpolants, 313573 SizeOfPredicates, 10 NumberOfNonLiveVariables, 1662 ConjunctsInSsa, 25 ConjunctsInUnsatCore, 16 InterpolantComputations, 11 PerfectInterpolantSequences, 216/228 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...