./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product52_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b72ab499-d4ad-48a3-a8c0-f4b0243ce041/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b72ab499-d4ad-48a3-a8c0-f4b0243ce041/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b72ab499-d4ad-48a3-a8c0-f4b0243ce041/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b72ab499-d4ad-48a3-a8c0-f4b0243ce041/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product52_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b72ab499-d4ad-48a3-a8c0-f4b0243ce041/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b72ab499-d4ad-48a3-a8c0-f4b0243ce041/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 8aa13c479cead5ea7576ebfa7eb0df26504503d1 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-22 23:17:09,728 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 23:17:09,730 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 23:17:09,738 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 23:17:09,738 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 23:17:09,739 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 23:17:09,740 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 23:17:09,741 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 23:17:09,742 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 23:17:09,742 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 23:17:09,743 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 23:17:09,743 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 23:17:09,744 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 23:17:09,744 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 23:17:09,745 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 23:17:09,746 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 23:17:09,746 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 23:17:09,747 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 23:17:09,749 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 23:17:09,750 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 23:17:09,750 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 23:17:09,751 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 23:17:09,752 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 23:17:09,752 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 23:17:09,753 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 23:17:09,753 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 23:17:09,754 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 23:17:09,754 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 23:17:09,755 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 23:17:09,756 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 23:17:09,756 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 23:17:09,756 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 23:17:09,756 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 23:17:09,757 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 23:17:09,757 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 23:17:09,758 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 23:17:09,758 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b72ab499-d4ad-48a3-a8c0-f4b0243ce041/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-22 23:17:09,767 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 23:17:09,767 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 23:17:09,768 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-22 23:17:09,768 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-22 23:17:09,768 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-22 23:17:09,769 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-22 23:17:09,769 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-22 23:17:09,769 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-22 23:17:09,769 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-22 23:17:09,769 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-22 23:17:09,769 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-22 23:17:09,769 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-22 23:17:09,769 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-22 23:17:09,770 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 23:17:09,770 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-22 23:17:09,770 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-22 23:17:09,770 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-22 23:17:09,771 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 23:17:09,771 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-22 23:17:09,771 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-22 23:17:09,771 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-22 23:17:09,771 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-22 23:17:09,771 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 23:17:09,771 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 23:17:09,772 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-22 23:17:09,772 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 23:17:09,772 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-22 23:17:09,772 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-22 23:17:09,772 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-22 23:17:09,772 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-22 23:17:09,772 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 23:17:09,773 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-22 23:17:09,773 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-22 23:17:09,773 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-22 23:17:09,773 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-22 23:17:09,773 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-22 23:17:09,773 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-22 23:17:09,773 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_b72ab499-d4ad-48a3-a8c0-f4b0243ce041/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 -> 8aa13c479cead5ea7576ebfa7eb0df26504503d1 [2018-11-22 23:17:09,794 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 23:17:09,802 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 23:17:09,805 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 23:17:09,806 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 23:17:09,806 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 23:17:09,806 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b72ab499-d4ad-48a3-a8c0-f4b0243ce041/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product52_true-unreach-call_false-termination.cil.c [2018-11-22 23:17:09,840 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b72ab499-d4ad-48a3-a8c0-f4b0243ce041/bin-2019/utaipan/data/967806e53/093abfdd019e4e0497552e26dbd073ad/FLAG18d634628 [2018-11-22 23:17:10,265 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 23:17:10,265 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b72ab499-d4ad-48a3-a8c0-f4b0243ce041/sv-benchmarks/c/product-lines/minepump_spec2_product52_true-unreach-call_false-termination.cil.c [2018-11-22 23:17:10,272 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b72ab499-d4ad-48a3-a8c0-f4b0243ce041/bin-2019/utaipan/data/967806e53/093abfdd019e4e0497552e26dbd073ad/FLAG18d634628 [2018-11-22 23:17:10,281 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b72ab499-d4ad-48a3-a8c0-f4b0243ce041/bin-2019/utaipan/data/967806e53/093abfdd019e4e0497552e26dbd073ad [2018-11-22 23:17:10,283 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 23:17:10,284 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 23:17:10,284 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 23:17:10,284 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 23:17:10,286 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 23:17:10,287 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:17:10" (1/1) ... [2018-11-22 23:17:10,288 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43f50e16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:10, skipping insertion in model container [2018-11-22 23:17:10,288 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:17:10" (1/1) ... [2018-11-22 23:17:10,294 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 23:17:10,324 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 23:17:10,521 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 23:17:10,529 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 23:17:10,618 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 23:17:10,638 INFO L195 MainTranslator]: Completed translation [2018-11-22 23:17:10,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:10 WrapperNode [2018-11-22 23:17:10,638 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 23:17:10,639 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 23:17:10,639 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 23:17:10,639 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 23:17:10,644 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:10" (1/1) ... [2018-11-22 23:17:10,654 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:10" (1/1) ... [2018-11-22 23:17:10,660 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 23:17:10,660 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 23:17:10,660 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 23:17:10,661 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 23:17:10,666 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:10" (1/1) ... [2018-11-22 23:17:10,667 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:10" (1/1) ... [2018-11-22 23:17:10,669 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:10" (1/1) ... [2018-11-22 23:17:10,669 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:10" (1/1) ... [2018-11-22 23:17:10,678 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:10" (1/1) ... [2018-11-22 23:17:10,683 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:10" (1/1) ... [2018-11-22 23:17:10,685 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:10" (1/1) ... [2018-11-22 23:17:10,687 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 23:17:10,688 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 23:17:10,688 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 23:17:10,688 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 23:17:10,689 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b72ab499-d4ad-48a3-a8c0-f4b0243ce041/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-22 23:17:10,737 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-22 23:17:10,737 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-22 23:17:10,738 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-22 23:17:10,738 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-22 23:17:10,738 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-22 23:17:10,738 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-22 23:17:10,738 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-22 23:17:10,738 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-22 23:17:10,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-22 23:17:10,738 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-22 23:17:10,738 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-22 23:17:10,739 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-22 23:17:10,739 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-22 23:17:10,739 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-22 23:17:10,739 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-22 23:17:10,739 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-22 23:17:10,739 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-22 23:17:10,739 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-22 23:17:10,739 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-22 23:17:10,740 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-22 23:17:10,740 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-22 23:17:10,740 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-22 23:17:10,740 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-22 23:17:10,740 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-22 23:17:10,740 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-22 23:17:10,740 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-22 23:17:10,740 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-22 23:17:10,741 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-22 23:17:10,741 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-22 23:17:10,741 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-22 23:17:10,741 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-22 23:17:10,741 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-22 23:17:10,741 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-22 23:17:10,741 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-22 23:17:10,741 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-22 23:17:10,741 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-22 23:17:10,742 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-22 23:17:10,742 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-22 23:17:10,742 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-22 23:17:10,742 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-22 23:17:10,742 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-22 23:17:10,742 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-22 23:17:10,742 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-22 23:17:10,742 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-22 23:17:10,742 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-22 23:17:10,743 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-22 23:17:10,743 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-22 23:17:10,743 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-22 23:17:10,743 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-22 23:17:10,743 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-22 23:17:10,743 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-22 23:17:10,743 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-22 23:17:10,743 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-22 23:17:10,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-22 23:17:10,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-22 23:17:10,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-22 23:17:10,744 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-22 23:17:10,744 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-22 23:17:10,744 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-22 23:17:10,744 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-22 23:17:10,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 23:17:10,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 23:17:11,130 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 23:17:11,130 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-22 23:17:11,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:17:11 BoogieIcfgContainer [2018-11-22 23:17:11,130 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 23:17:11,131 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-22 23:17:11,131 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-22 23:17:11,133 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-22 23:17:11,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 11:17:10" (1/3) ... [2018-11-22 23:17:11,134 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@341c7f69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:17:11, skipping insertion in model container [2018-11-22 23:17:11,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:10" (2/3) ... [2018-11-22 23:17:11,135 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@341c7f69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:17:11, skipping insertion in model container [2018-11-22 23:17:11,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:17:11" (3/3) ... [2018-11-22 23:17:11,136 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product52_true-unreach-call_false-termination.cil.c [2018-11-22 23:17:11,143 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-22 23:17:11,149 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-22 23:17:11,159 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-22 23:17:11,182 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-22 23:17:11,182 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-22 23:17:11,182 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-22 23:17:11,182 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-22 23:17:11,182 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-22 23:17:11,182 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-22 23:17:11,182 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-22 23:17:11,182 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-22 23:17:11,197 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states. [2018-11-22 23:17:11,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-22 23:17:11,204 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:17:11,204 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:17:11,206 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:17:11,210 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:17:11,210 INFO L82 PathProgramCache]: Analyzing trace with hash -1920948465, now seen corresponding path program 1 times [2018-11-22 23:17:11,211 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:17:11,241 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:17:11,241 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:17:11,241 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:17:11,241 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:17:11,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:17:11,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:17:11,393 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:17:11,394 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-22 23:17:11,394 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:17:11,398 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-22 23:17:11,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-22 23:17:11,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-22 23:17:11,412 INFO L87 Difference]: Start difference. First operand 156 states. Second operand 2 states. [2018-11-22 23:17:11,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:17:11,441 INFO L93 Difference]: Finished difference Result 282 states and 349 transitions. [2018-11-22 23:17:11,441 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-22 23:17:11,442 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-22 23:17:11,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:17:11,453 INFO L225 Difference]: With dead ends: 282 [2018-11-22 23:17:11,453 INFO L226 Difference]: Without dead ends: 143 [2018-11-22 23:17:11,456 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 [2018-11-22 23:17:11,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2018-11-22 23:17:11,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2018-11-22 23:17:11,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2018-11-22 23:17:11,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 168 transitions. [2018-11-22 23:17:11,500 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 168 transitions. Word has length 51 [2018-11-22 23:17:11,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:17:11,500 INFO L480 AbstractCegarLoop]: Abstraction has 143 states and 168 transitions. [2018-11-22 23:17:11,500 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-22 23:17:11,501 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 168 transitions. [2018-11-22 23:17:11,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-22 23:17:11,503 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:17:11,503 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] [2018-11-22 23:17:11,503 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:17:11,504 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:17:11,504 INFO L82 PathProgramCache]: Analyzing trace with hash 144578230, now seen corresponding path program 1 times [2018-11-22 23:17:11,504 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:17:11,505 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:17:11,505 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:17:11,505 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:17:11,505 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:17:11,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:17:11,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:17:11,576 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:17:11,577 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-22 23:17:11,577 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:17:11,578 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 23:17:11,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 23:17:11,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 23:17:11,579 INFO L87 Difference]: Start difference. First operand 143 states and 168 transitions. Second operand 3 states. [2018-11-22 23:17:11,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:17:11,602 INFO L93 Difference]: Finished difference Result 221 states and 259 transitions. [2018-11-22 23:17:11,602 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 23:17:11,602 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-22 23:17:11,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:17:11,604 INFO L225 Difference]: With dead ends: 221 [2018-11-22 23:17:11,604 INFO L226 Difference]: Without dead ends: 134 [2018-11-22 23:17:11,605 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 [2018-11-22 23:17:11,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-11-22 23:17:11,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2018-11-22 23:17:11,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2018-11-22 23:17:11,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 156 transitions. [2018-11-22 23:17:11,614 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 156 transitions. Word has length 52 [2018-11-22 23:17:11,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:17:11,615 INFO L480 AbstractCegarLoop]: Abstraction has 134 states and 156 transitions. [2018-11-22 23:17:11,615 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 23:17:11,615 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 156 transitions. [2018-11-22 23:17:11,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-22 23:17:11,616 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:17:11,616 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] [2018-11-22 23:17:11,617 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:17:11,617 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:17:11,617 INFO L82 PathProgramCache]: Analyzing trace with hash -373686663, now seen corresponding path program 1 times [2018-11-22 23:17:11,617 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:17:11,618 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:17:11,618 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:17:11,618 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:17:11,618 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:17:11,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:17:11,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:17:11,746 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:17:11,746 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-22 23:17:11,746 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:17:11,746 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-22 23:17:11,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-22 23:17:11,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-22 23:17:11,747 INFO L87 Difference]: Start difference. First operand 134 states and 156 transitions. Second operand 7 states. [2018-11-22 23:17:12,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:17:12,220 INFO L93 Difference]: Finished difference Result 397 states and 482 transitions. [2018-11-22 23:17:12,220 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-22 23:17:12,220 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-11-22 23:17:12,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:17:12,222 INFO L225 Difference]: With dead ends: 397 [2018-11-22 23:17:12,222 INFO L226 Difference]: Without dead ends: 291 [2018-11-22 23:17:12,223 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-22 23:17:12,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2018-11-22 23:17:12,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 279. [2018-11-22 23:17:12,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 279 states. [2018-11-22 23:17:12,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 338 transitions. [2018-11-22 23:17:12,254 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 338 transitions. Word has length 57 [2018-11-22 23:17:12,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:17:12,254 INFO L480 AbstractCegarLoop]: Abstraction has 279 states and 338 transitions. [2018-11-22 23:17:12,254 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-22 23:17:12,255 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 338 transitions. [2018-11-22 23:17:12,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-22 23:17:12,256 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:17:12,257 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] [2018-11-22 23:17:12,258 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:17:12,258 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:17:12,258 INFO L82 PathProgramCache]: Analyzing trace with hash 1373126477, now seen corresponding path program 1 times [2018-11-22 23:17:12,258 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:17:12,259 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:17:12,259 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:17:12,259 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:17:12,260 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:17:12,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:17:12,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:17:12,357 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:17:12,358 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-22 23:17:12,358 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:17:12,358 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-22 23:17:12,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-22 23:17:12,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-22 23:17:12,359 INFO L87 Difference]: Start difference. First operand 279 states and 338 transitions. Second operand 6 states. [2018-11-22 23:17:12,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:17:12,557 INFO L93 Difference]: Finished difference Result 763 states and 948 transitions. [2018-11-22 23:17:12,557 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-22 23:17:12,558 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2018-11-22 23:17:12,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:17:12,561 INFO L225 Difference]: With dead ends: 763 [2018-11-22 23:17:12,561 INFO L226 Difference]: Without dead ends: 512 [2018-11-22 23:17:12,563 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-22 23:17:12,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2018-11-22 23:17:12,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 506. [2018-11-22 23:17:12,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 506 states. [2018-11-22 23:17:12,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 616 transitions. [2018-11-22 23:17:12,597 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 616 transitions. Word has length 62 [2018-11-22 23:17:12,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:17:12,597 INFO L480 AbstractCegarLoop]: Abstraction has 506 states and 616 transitions. [2018-11-22 23:17:12,598 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-22 23:17:12,598 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 616 transitions. [2018-11-22 23:17:12,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-22 23:17:12,599 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:17:12,600 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] [2018-11-22 23:17:12,601 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:17:12,601 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:17:12,602 INFO L82 PathProgramCache]: Analyzing trace with hash 245736361, now seen corresponding path program 1 times [2018-11-22 23:17:12,602 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:17:12,602 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:17:12,602 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:17:12,602 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:17:12,603 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:17:12,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:17:12,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:17:12,679 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:17:12,679 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-22 23:17:12,679 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:17:12,679 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-22 23:17:12,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-22 23:17:12,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-22 23:17:12,680 INFO L87 Difference]: Start difference. First operand 506 states and 616 transitions. Second operand 7 states. [2018-11-22 23:17:13,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:17:13,067 INFO L93 Difference]: Finished difference Result 1311 states and 1718 transitions. [2018-11-22 23:17:13,067 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-22 23:17:13,067 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2018-11-22 23:17:13,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:17:13,071 INFO L225 Difference]: With dead ends: 1311 [2018-11-22 23:17:13,071 INFO L226 Difference]: Without dead ends: 833 [2018-11-22 23:17:13,073 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-22 23:17:13,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 833 states. [2018-11-22 23:17:13,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 833 to 735. [2018-11-22 23:17:13,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 735 states. [2018-11-22 23:17:13,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 735 states and 891 transitions. [2018-11-22 23:17:13,122 INFO L78 Accepts]: Start accepts. Automaton has 735 states and 891 transitions. Word has length 66 [2018-11-22 23:17:13,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:17:13,123 INFO L480 AbstractCegarLoop]: Abstraction has 735 states and 891 transitions. [2018-11-22 23:17:13,123 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-22 23:17:13,123 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 891 transitions. [2018-11-22 23:17:13,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-22 23:17:13,126 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:17:13,126 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] [2018-11-22 23:17:13,126 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:17:13,126 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:17:13,126 INFO L82 PathProgramCache]: Analyzing trace with hash -1656133436, now seen corresponding path program 1 times [2018-11-22 23:17:13,127 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:17:13,127 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:17:13,127 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:17:13,127 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:17:13,128 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:17:13,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:17:13,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:17:13,187 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:17:13,187 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-22 23:17:13,187 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:17:13,187 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-22 23:17:13,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-22 23:17:13,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-22 23:17:13,188 INFO L87 Difference]: Start difference. First operand 735 states and 891 transitions. Second operand 6 states. [2018-11-22 23:17:13,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:17:13,241 INFO L93 Difference]: Finished difference Result 1462 states and 1804 transitions. [2018-11-22 23:17:13,242 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-22 23:17:13,242 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2018-11-22 23:17:13,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:17:13,245 INFO L225 Difference]: With dead ends: 1462 [2018-11-22 23:17:13,245 INFO L226 Difference]: Without dead ends: 755 [2018-11-22 23:17:13,247 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-22 23:17:13,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 755 states. [2018-11-22 23:17:13,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 755 to 755. [2018-11-22 23:17:13,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 755 states. [2018-11-22 23:17:13,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 755 states and 911 transitions. [2018-11-22 23:17:13,283 INFO L78 Accepts]: Start accepts. Automaton has 755 states and 911 transitions. Word has length 89 [2018-11-22 23:17:13,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:17:13,283 INFO L480 AbstractCegarLoop]: Abstraction has 755 states and 911 transitions. [2018-11-22 23:17:13,283 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-22 23:17:13,283 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 911 transitions. [2018-11-22 23:17:13,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-22 23:17:13,285 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:17:13,286 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] [2018-11-22 23:17:13,286 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:17:13,286 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:17:13,286 INFO L82 PathProgramCache]: Analyzing trace with hash -954533562, now seen corresponding path program 1 times [2018-11-22 23:17:13,286 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:17:13,287 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:17:13,287 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:17:13,287 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:17:13,287 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:17:13,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:17:13,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:17:13,359 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:17:13,359 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-22 23:17:13,359 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:17:13,360 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-22 23:17:13,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-22 23:17:13,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-22 23:17:13,360 INFO L87 Difference]: Start difference. First operand 755 states and 911 transitions. Second operand 8 states. [2018-11-22 23:17:13,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:17:13,414 INFO L93 Difference]: Finished difference Result 1510 states and 1882 transitions. [2018-11-22 23:17:13,415 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-22 23:17:13,415 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 89 [2018-11-22 23:17:13,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:17:13,419 INFO L225 Difference]: With dead ends: 1510 [2018-11-22 23:17:13,419 INFO L226 Difference]: Without dead ends: 783 [2018-11-22 23:17:13,422 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-22 23:17:13,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 783 states. [2018-11-22 23:17:13,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 783 to 771. [2018-11-22 23:17:13,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 771 states. [2018-11-22 23:17:13,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 771 states and 927 transitions. [2018-11-22 23:17:13,465 INFO L78 Accepts]: Start accepts. Automaton has 771 states and 927 transitions. Word has length 89 [2018-11-22 23:17:13,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:17:13,466 INFO L480 AbstractCegarLoop]: Abstraction has 771 states and 927 transitions. [2018-11-22 23:17:13,466 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-22 23:17:13,466 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 927 transitions. [2018-11-22 23:17:13,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-22 23:17:13,467 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:17:13,468 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] [2018-11-22 23:17:13,468 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:17:13,468 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:17:13,468 INFO L82 PathProgramCache]: Analyzing trace with hash 770947335, now seen corresponding path program 1 times [2018-11-22 23:17:13,468 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:17:13,469 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:17:13,469 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:17:13,469 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:17:13,469 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:17:13,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:17:13,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:17:13,554 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:17:13,555 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-22 23:17:13,555 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:17:13,555 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-22 23:17:13,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-22 23:17:13,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-22 23:17:13,556 INFO L87 Difference]: Start difference. First operand 771 states and 927 transitions. Second operand 4 states. [2018-11-22 23:17:13,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:17:13,789 INFO L93 Difference]: Finished difference Result 2501 states and 3154 transitions. [2018-11-22 23:17:13,790 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-22 23:17:13,790 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 89 [2018-11-22 23:17:13,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:17:13,797 INFO L225 Difference]: With dead ends: 2501 [2018-11-22 23:17:13,797 INFO L226 Difference]: Without dead ends: 1758 [2018-11-22 23:17:13,799 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-22 23:17:13,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1758 states. [2018-11-22 23:17:13,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1758 to 1727. [2018-11-22 23:17:13,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1727 states. [2018-11-22 23:17:13,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1727 states to 1727 states and 2127 transitions. [2018-11-22 23:17:13,896 INFO L78 Accepts]: Start accepts. Automaton has 1727 states and 2127 transitions. Word has length 89 [2018-11-22 23:17:13,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:17:13,896 INFO L480 AbstractCegarLoop]: Abstraction has 1727 states and 2127 transitions. [2018-11-22 23:17:13,896 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-22 23:17:13,896 INFO L276 IsEmpty]: Start isEmpty. Operand 1727 states and 2127 transitions. [2018-11-22 23:17:13,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-22 23:17:13,899 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:17:13,899 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] [2018-11-22 23:17:13,899 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:17:13,899 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:17:13,899 INFO L82 PathProgramCache]: Analyzing trace with hash 2014022541, now seen corresponding path program 1 times [2018-11-22 23:17:13,899 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:17:13,900 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:17:13,900 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:17:13,900 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:17:13,900 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:17:13,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:17:13,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:17:13,940 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:17:13,940 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-22 23:17:13,940 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:17:13,941 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 23:17:13,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 23:17:13,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 23:17:13,941 INFO L87 Difference]: Start difference. First operand 1727 states and 2127 transitions. Second operand 3 states. [2018-11-22 23:17:14,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:17:14,029 INFO L93 Difference]: Finished difference Result 2742 states and 3481 transitions. [2018-11-22 23:17:14,029 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 23:17:14,030 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 93 [2018-11-22 23:17:14,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:17:14,041 INFO L225 Difference]: With dead ends: 2742 [2018-11-22 23:17:14,041 INFO L226 Difference]: Without dead ends: 2739 [2018-11-22 23:17:14,042 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 23:17:14,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2739 states. [2018-11-22 23:17:14,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2739 to 2553. [2018-11-22 23:17:14,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2553 states. [2018-11-22 23:17:14,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2553 states to 2553 states and 3253 transitions. [2018-11-22 23:17:14,200 INFO L78 Accepts]: Start accepts. Automaton has 2553 states and 3253 transitions. Word has length 93 [2018-11-22 23:17:14,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:17:14,200 INFO L480 AbstractCegarLoop]: Abstraction has 2553 states and 3253 transitions. [2018-11-22 23:17:14,200 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 23:17:14,200 INFO L276 IsEmpty]: Start isEmpty. Operand 2553 states and 3253 transitions. [2018-11-22 23:17:14,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-22 23:17:14,210 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:17:14,210 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-22 23:17:14,210 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:17:14,211 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:17:14,211 INFO L82 PathProgramCache]: Analyzing trace with hash 1868727233, now seen corresponding path program 1 times [2018-11-22 23:17:14,211 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:17:14,212 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:17:14,212 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:17:14,212 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:17:14,212 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:17:14,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:17:14,321 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 26 proven. 14 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-22 23:17:14,322 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:17:14,322 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 23:17:14,322 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 161 with the following transitions: [2018-11-22 23:17:14,324 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [40], [46], [50], [51], [52], [67], [70], [72], [81], [85], [89], [92], [97], [100], [103], [105], [111], [117], [127], [129], [132], [134], [137], [140], [143], [151], [152], [153], [154], [155], [156], [157], [158], [160], [165], [167], [168], [173], [175], [176], [177], [206], [209], [213], [219], [224], [226], [227], [231], [234], [236], [239], [249], [254], [258], [259], [262], [263], [264], [265], [266], [267], [268], [269], [270], [276], [277], [278], [286], [287], [288], [289], [290], [291], [296], [297], [300], [301], [302], [303], [304], [306], [307], [312], [313], [314], [315], [316], [317], [318], [319], [320], [322], [323], [324], [325] [2018-11-22 23:17:14,356 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 23:17:14,356 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 23:17:16,314 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-22 23:17:16,315 INFO L272 AbstractInterpreter]: Visited 104 different actions 612 times. Merged at 18 different actions 61 times. Never widened. Performed 32664 root evaluator evaluations with a maximum evaluation depth of 3. Performed 32664 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 8 fixpoints after 3 different actions. Largest state had 135 variables. [2018-11-22 23:17:16,332 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:17:16,333 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-22 23:17:16,333 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:17:16,333 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b72ab499-d4ad-48a3-a8c0-f4b0243ce041/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-22 23:17:16,340 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:17:16,341 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-22 23:17:16,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:17:16,464 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 23:17:16,507 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-22 23:17:16,507 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-22 23:17:16,813 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-11-22 23:17:16,835 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-22 23:17:16,835 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [5] total 7 [2018-11-22 23:17:16,835 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:17:16,835 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 23:17:16,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 23:17:16,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-22 23:17:16,836 INFO L87 Difference]: Start difference. First operand 2553 states and 3253 transitions. Second operand 3 states. [2018-11-22 23:17:16,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:17:16,998 INFO L93 Difference]: Finished difference Result 5489 states and 7242 transitions. [2018-11-22 23:17:16,999 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 23:17:16,999 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 160 [2018-11-22 23:17:16,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:17:17,014 INFO L225 Difference]: With dead ends: 5489 [2018-11-22 23:17:17,014 INFO L226 Difference]: Without dead ends: 3288 [2018-11-22 23:17:17,021 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 324 GetRequests, 314 SyntacticMatches, 5 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-22 23:17:17,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3288 states. [2018-11-22 23:17:17,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3288 to 3261. [2018-11-22 23:17:17,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3261 states. [2018-11-22 23:17:17,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3261 states to 3261 states and 4104 transitions. [2018-11-22 23:17:17,189 INFO L78 Accepts]: Start accepts. Automaton has 3261 states and 4104 transitions. Word has length 160 [2018-11-22 23:17:17,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:17:17,189 INFO L480 AbstractCegarLoop]: Abstraction has 3261 states and 4104 transitions. [2018-11-22 23:17:17,189 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 23:17:17,189 INFO L276 IsEmpty]: Start isEmpty. Operand 3261 states and 4104 transitions. [2018-11-22 23:17:17,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-22 23:17:17,199 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:17:17,199 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-22 23:17:17,199 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:17:17,199 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:17:17,199 INFO L82 PathProgramCache]: Analyzing trace with hash -1445410561, now seen corresponding path program 1 times [2018-11-22 23:17:17,199 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:17:17,202 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:17:17,202 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:17:17,202 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:17:17,202 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:17:17,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:17:17,292 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-22 23:17:17,293 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:17:17,293 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 23:17:17,293 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 153 with the following transitions: [2018-11-22 23:17:17,293 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [40], [46], [50], [51], [52], [67], [70], [72], [81], [85], [89], [92], [95], [97], [100], [103], [105], [111], [117], [127], [129], [132], [134], [137], [140], [143], [151], [152], [153], [154], [155], [156], [157], [158], [160], [165], [167], [168], [173], [175], [176], [177], [209], [213], [219], [227], [231], [234], [236], [239], [249], [254], [258], [259], [262], [263], [264], [265], [266], [267], [268], [269], [270], [276], [277], [278], [286], [287], [288], [289], [290], [291], [296], [297], [300], [301], [302], [303], [304], [306], [307], [314], [315], [316], [317], [318], [319], [320], [322], [323], [324], [325] [2018-11-22 23:17:17,296 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 23:17:17,296 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 23:17:18,084 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-22 23:17:18,084 INFO L272 AbstractInterpreter]: Visited 100 different actions 397 times. Merged at 14 different actions 38 times. Never widened. Performed 17435 root evaluator evaluations with a maximum evaluation depth of 3. Performed 17435 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 2 different actions. Largest state had 135 variables. [2018-11-22 23:17:18,092 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:17:18,092 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-22 23:17:18,092 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:17:18,092 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b72ab499-d4ad-48a3-a8c0-f4b0243ce041/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 [2018-11-22 23:17:18,101 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:17:18,102 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-22 23:17:18,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:17:18,193 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 23:17:18,227 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:17:18,227 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-22 23:17:18,354 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-22 23:17:18,370 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-22 23:17:18,370 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 3] total 8 [2018-11-22 23:17:18,370 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:17:18,370 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 23:17:18,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 23:17:18,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-11-22 23:17:18,371 INFO L87 Difference]: Start difference. First operand 3261 states and 4104 transitions. Second operand 3 states. [2018-11-22 23:17:18,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:17:18,488 INFO L93 Difference]: Finished difference Result 5947 states and 7573 transitions. [2018-11-22 23:17:18,489 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 23:17:18,489 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 152 [2018-11-22 23:17:18,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:17:18,498 INFO L225 Difference]: With dead ends: 5947 [2018-11-22 23:17:18,498 INFO L226 Difference]: Without dead ends: 3038 [2018-11-22 23:17:18,504 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 312 GetRequests, 304 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-11-22 23:17:18,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3038 states. [2018-11-22 23:17:18,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3038 to 2660. [2018-11-22 23:17:18,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2660 states. [2018-11-22 23:17:18,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2660 states to 2660 states and 3138 transitions. [2018-11-22 23:17:18,592 INFO L78 Accepts]: Start accepts. Automaton has 2660 states and 3138 transitions. Word has length 152 [2018-11-22 23:17:18,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:17:18,592 INFO L480 AbstractCegarLoop]: Abstraction has 2660 states and 3138 transitions. [2018-11-22 23:17:18,592 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 23:17:18,592 INFO L276 IsEmpty]: Start isEmpty. Operand 2660 states and 3138 transitions. [2018-11-22 23:17:18,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-22 23:17:18,596 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:17:18,596 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:17:18,596 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:17:18,597 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:17:18,597 INFO L82 PathProgramCache]: Analyzing trace with hash 1061919363, now seen corresponding path program 1 times [2018-11-22 23:17:18,597 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:17:18,597 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:17:18,597 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:17:18,597 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:17:18,598 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:17:18,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:17:18,662 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 22 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-22 23:17:18,662 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:17:18,662 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 23:17:18,662 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 155 with the following transitions: [2018-11-22 23:17:18,662 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [29], [31], [34], [38], [39], [40], [46], [50], [51], [52], [55], [57], [63], [67], [70], [71], [72], [81], [85], [89], [92], [95], [97], [100], [103], [105], [111], [117], [125], [126], [127], [129], [132], [134], [137], [140], [143], [151], [152], [153], [154], [155], [156], [157], [158], [160], [165], [167], [168], [173], [175], [176], [177], [206], [209], [213], [219], [224], [226], [227], [231], [234], [236], [239], [246], [249], [254], [258], [259], [262], [263], [264], [265], [266], [267], [268], [269], [270], [274], [275], [276], [277], [278], [280], [281], [284], [285], [286], [287], [288], [289], [290], [291], [296], [297], [300], [301], [302], [303], [304], [306], [307], [312], [313], [314], [315], [316], [317], [318], [319], [320], [322], [323], [324], [325], [328], [329] [2018-11-22 23:17:18,665 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 23:17:18,665 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 23:17:19,246 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-22 23:17:19,247 INFO L272 AbstractInterpreter]: Visited 125 different actions 454 times. Merged at 21 different actions 47 times. Never widened. Performed 16830 root evaluator evaluations with a maximum evaluation depth of 5. Performed 16830 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 10 fixpoints after 5 different actions. Largest state had 135 variables. [2018-11-22 23:17:19,256 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:17:19,256 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-22 23:17:19,256 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:17:19,256 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b72ab499-d4ad-48a3-a8c0-f4b0243ce041/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-22 23:17:19,269 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:17:19,269 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-22 23:17:19,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:17:19,344 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 23:17:19,378 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:17:19,378 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-22 23:17:19,515 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 22 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-22 23:17:19,530 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-22 23:17:19,530 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 10 [2018-11-22 23:17:19,530 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:17:19,531 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-22 23:17:19,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-22 23:17:19,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-11-22 23:17:19,531 INFO L87 Difference]: Start difference. First operand 2660 states and 3138 transitions. Second operand 5 states. [2018-11-22 23:17:19,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:17:19,987 INFO L93 Difference]: Finished difference Result 5635 states and 6962 transitions. [2018-11-22 23:17:19,988 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-22 23:17:19,988 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 154 [2018-11-22 23:17:19,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:17:19,997 INFO L225 Difference]: With dead ends: 5635 [2018-11-22 23:17:19,997 INFO L226 Difference]: Without dead ends: 3327 [2018-11-22 23:17:20,002 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 315 GetRequests, 306 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2018-11-22 23:17:20,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3327 states. [2018-11-22 23:17:20,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3327 to 3063. [2018-11-22 23:17:20,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3063 states. [2018-11-22 23:17:20,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3063 states to 3063 states and 3637 transitions. [2018-11-22 23:17:20,204 INFO L78 Accepts]: Start accepts. Automaton has 3063 states and 3637 transitions. Word has length 154 [2018-11-22 23:17:20,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:17:20,204 INFO L480 AbstractCegarLoop]: Abstraction has 3063 states and 3637 transitions. [2018-11-22 23:17:20,204 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-22 23:17:20,204 INFO L276 IsEmpty]: Start isEmpty. Operand 3063 states and 3637 transitions. [2018-11-22 23:17:20,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-22 23:17:20,208 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:17:20,208 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:17:20,208 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:17:20,209 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:17:20,209 INFO L82 PathProgramCache]: Analyzing trace with hash 1415007745, now seen corresponding path program 1 times [2018-11-22 23:17:20,209 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:17:20,209 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:17:20,209 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:17:20,210 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:17:20,210 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:17:20,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:17:20,309 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 22 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-22 23:17:20,309 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:17:20,309 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 23:17:20,309 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 155 with the following transitions: [2018-11-22 23:17:20,310 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [29], [31], [34], [38], [39], [40], [46], [50], [51], [52], [55], [57], [63], [67], [70], [71], [72], [81], [85], [89], [92], [95], [97], [100], [103], [105], [111], [117], [125], [126], [127], [129], [132], [134], [137], [140], [143], [151], [152], [153], [154], [155], [156], [157], [158], [160], [165], [167], [168], [173], [175], [176], [177], [206], [209], [213], [219], [222], [226], [227], [231], [234], [236], [239], [246], [249], [254], [258], [259], [262], [263], [264], [265], [266], [267], [268], [269], [270], [274], [275], [276], [277], [278], [280], [281], [284], [285], [286], [287], [288], [289], [290], [291], [296], [297], [300], [301], [302], [303], [304], [306], [307], [312], [313], [314], [315], [316], [317], [318], [319], [320], [322], [323], [324], [325], [328], [329] [2018-11-22 23:17:20,312 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 23:17:20,312 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 23:17:20,987 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-22 23:17:20,987 INFO L272 AbstractInterpreter]: Visited 125 different actions 632 times. Merged at 21 different actions 63 times. Never widened. Performed 21626 root evaluator evaluations with a maximum evaluation depth of 5. Performed 21626 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 13 fixpoints after 5 different actions. Largest state had 135 variables. [2018-11-22 23:17:20,996 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:17:20,996 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-22 23:17:20,996 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:17:20,996 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b72ab499-d4ad-48a3-a8c0-f4b0243ce041/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-22 23:17:21,013 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:17:21,013 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-22 23:17:21,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:17:21,087 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 23:17:21,150 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:17:21,150 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-22 23:17:21,505 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 22 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-22 23:17:21,520 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-22 23:17:21,521 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [10, 10] total 21 [2018-11-22 23:17:21,521 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:17:21,521 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-22 23:17:21,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-22 23:17:21,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=337, Unknown=0, NotChecked=0, Total=420 [2018-11-22 23:17:21,522 INFO L87 Difference]: Start difference. First operand 3063 states and 3637 transitions. Second operand 9 states. [2018-11-22 23:17:22,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:17:22,395 INFO L93 Difference]: Finished difference Result 7392 states and 9591 transitions. [2018-11-22 23:17:22,396 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-22 23:17:22,396 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 154 [2018-11-22 23:17:22,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:17:22,414 INFO L225 Difference]: With dead ends: 7392 [2018-11-22 23:17:22,414 INFO L226 Difference]: Without dead ends: 4693 [2018-11-22 23:17:22,422 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 329 GetRequests, 301 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=158, Invalid=598, Unknown=0, NotChecked=0, Total=756 [2018-11-22 23:17:22,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4693 states. [2018-11-22 23:17:22,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4693 to 3716. [2018-11-22 23:17:22,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3716 states. [2018-11-22 23:17:22,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3716 states to 3716 states and 4431 transitions. [2018-11-22 23:17:22,638 INFO L78 Accepts]: Start accepts. Automaton has 3716 states and 4431 transitions. Word has length 154 [2018-11-22 23:17:22,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:17:22,638 INFO L480 AbstractCegarLoop]: Abstraction has 3716 states and 4431 transitions. [2018-11-22 23:17:22,638 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-22 23:17:22,639 INFO L276 IsEmpty]: Start isEmpty. Operand 3716 states and 4431 transitions. [2018-11-22 23:17:22,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-22 23:17:22,643 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:17:22,643 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:17:22,643 INFO L423 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:17:22,643 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:17:22,644 INFO L82 PathProgramCache]: Analyzing trace with hash 1342621187, now seen corresponding path program 1 times [2018-11-22 23:17:22,644 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:17:22,644 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:17:22,644 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:17:22,645 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:17:22,645 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:17:22,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:17:22,735 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-22 23:17:22,735 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:17:22,735 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-22 23:17:22,736 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:17:22,736 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-22 23:17:22,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-22 23:17:22,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-22 23:17:22,736 INFO L87 Difference]: Start difference. First operand 3716 states and 4431 transitions. Second operand 9 states. [2018-11-22 23:17:22,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:17:22,854 INFO L93 Difference]: Finished difference Result 4902 states and 5834 transitions. [2018-11-22 23:17:22,854 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-22 23:17:22,854 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 154 [2018-11-22 23:17:22,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:17:22,860 INFO L225 Difference]: With dead ends: 4902 [2018-11-22 23:17:22,860 INFO L226 Difference]: Without dead ends: 1658 [2018-11-22 23:17:22,865 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 [2018-11-22 23:17:22,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1658 states. [2018-11-22 23:17:22,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1658 to 1596. [2018-11-22 23:17:22,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1596 states. [2018-11-22 23:17:22,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1596 states to 1596 states and 1860 transitions. [2018-11-22 23:17:22,948 INFO L78 Accepts]: Start accepts. Automaton has 1596 states and 1860 transitions. Word has length 154 [2018-11-22 23:17:22,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:17:22,948 INFO L480 AbstractCegarLoop]: Abstraction has 1596 states and 1860 transitions. [2018-11-22 23:17:22,949 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-22 23:17:22,949 INFO L276 IsEmpty]: Start isEmpty. Operand 1596 states and 1860 transitions. [2018-11-22 23:17:22,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-22 23:17:22,952 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:17:22,953 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-22 23:17:22,953 INFO L423 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:17:22,953 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:17:22,953 INFO L82 PathProgramCache]: Analyzing trace with hash 1287265758, now seen corresponding path program 1 times [2018-11-22 23:17:22,953 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:17:22,954 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:17:22,954 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:17:22,954 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:17:22,954 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:17:22,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:17:23,010 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-11-22 23:17:23,010 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:17:23,010 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-22 23:17:23,010 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:17:23,011 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 23:17:23,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 23:17:23,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 23:17:23,011 INFO L87 Difference]: Start difference. First operand 1596 states and 1860 transitions. Second operand 3 states. [2018-11-22 23:17:23,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:17:23,083 INFO L93 Difference]: Finished difference Result 2574 states and 3021 transitions. [2018-11-22 23:17:23,083 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 23:17:23,083 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 161 [2018-11-22 23:17:23,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:17:23,084 INFO L225 Difference]: With dead ends: 2574 [2018-11-22 23:17:23,084 INFO L226 Difference]: Without dead ends: 0 [2018-11-22 23:17:23,088 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 [2018-11-22 23:17:23,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-22 23:17:23,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-22 23:17:23,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-22 23:17:23,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-22 23:17:23,089 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 161 [2018-11-22 23:17:23,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:17:23,089 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-22 23:17:23,089 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 23:17:23,090 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-22 23:17:23,090 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-22 23:17:23,093 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-22 23:17:23,236 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,239 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,241 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,243 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,245 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,247 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,249 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,251 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,260 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,261 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,268 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,270 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,273 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,273 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,275 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,301 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,305 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,307 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,336 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,337 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,342 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,349 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,389 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,417 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,424 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,454 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,602 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,629 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,630 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,640 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,641 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,642 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,643 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,646 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,649 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,658 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,662 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,668 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,668 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,669 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,674 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,677 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,678 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,680 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,682 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,685 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,688 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,711 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,716 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,739 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,783 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,784 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,786 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,787 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,789 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,790 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,791 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,793 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,794 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,796 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,805 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,806 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,807 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,808 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,809 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,810 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,811 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,812 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,813 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,814 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,814 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,815 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,816 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,816 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,817 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,829 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,852 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,856 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,859 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,901 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,903 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,905 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,914 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,915 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,916 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,918 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,925 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,926 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,928 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,933 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,935 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,936 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,940 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,943 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,945 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,951 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,959 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,964 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,975 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,981 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,989 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,991 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:23,996 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:24,000 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:24,004 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:24,008 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:24,012 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:24,014 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:24,016 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:24,020 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:24,021 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:24,022 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:24,023 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:24,024 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:24,025 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:24,027 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:24,034 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:24,035 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:24,037 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:24,043 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:24,046 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:24,048 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:24,049 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:24,051 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:24,102 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:24,129 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:24,158 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:17:24,481 WARN L180 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 48 [2018-11-22 23:17:24,743 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 31 [2018-11-22 23:17:24,988 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 49 [2018-11-22 23:17:25,569 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 39 [2018-11-22 23:17:25,781 WARN L180 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 54 [2018-11-22 23:17:26,500 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 33 [2018-11-22 23:17:26,725 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 504 510) the Hoare annotation is: true [2018-11-22 23:17:26,725 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 504 510) no Hoare annotation was computed. [2018-11-22 23:17:26,725 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 511 519) no Hoare annotation was computed. [2018-11-22 23:17:26,725 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 511 519) the Hoare annotation is: true [2018-11-22 23:17:26,725 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 511 519) no Hoare annotation was computed. [2018-11-22 23:17:26,725 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 422 444) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-22 23:17:26,725 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 422 444) no Hoare annotation was computed. [2018-11-22 23:17:26,725 INFO L444 ceAbstractionStarter]: At program point L434(line 434) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= main_~tmp~5 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-22 23:17:26,725 INFO L444 ceAbstractionStarter]: At program point L434-1(line 434) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= main_~tmp~5 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-22 23:17:26,725 INFO L448 ceAbstractionStarter]: For program point L432(lines 432 439) no Hoare annotation was computed. [2018-11-22 23:17:26,726 INFO L448 ceAbstractionStarter]: For program point L432-1(lines 432 439) no Hoare annotation was computed. [2018-11-22 23:17:26,726 INFO L448 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-11-22 23:17:26,726 INFO L444 ceAbstractionStarter]: At program point L429(line 429) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-22 23:17:26,726 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 422 444) no Hoare annotation was computed. [2018-11-22 23:17:26,726 INFO L444 ceAbstractionStarter]: At program point L428(line 428) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-22 23:17:26,726 INFO L444 ceAbstractionStarter]: At program point L428-1(line 428) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-22 23:17:26,726 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 321 335) no Hoare annotation was computed. [2018-11-22 23:17:26,726 INFO L444 ceAbstractionStarter]: At program point L327(line 327) the Hoare annotation is: (and (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1) (not (= ~methAndRunningLastTime~0 0))) (or (or (< |old(~pumpRunning~0)| 1) (= |old(~systemActive~0)| 0) (< ~waterLevel~0 2)) (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) [2018-11-22 23:17:26,726 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 321 335) the Hoare annotation is: (let ((.cse7 (= |old(~systemActive~0)| 0))) (let ((.cse4 (not .cse7)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~waterLevel~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse5 (< ~waterLevel~0 2)) (.cse6 (= ~systemActive~0 0)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse5 .cse2 .cse6) (or .cse3 (or .cse0 .cse5 .cse2)) (or .cse4 .cse0 .cse6 .cse1 .cse2) (or (or (< |old(~pumpRunning~0)| 1) .cse7 .cse5) (and (not .cse6) .cse3))))) [2018-11-22 23:17:26,726 INFO L448 ceAbstractionStarter]: For program point L325(lines 325 331) no Hoare annotation was computed. [2018-11-22 23:17:26,726 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 321 335) no Hoare annotation was computed. [2018-11-22 23:17:26,727 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 238 246) no Hoare annotation was computed. [2018-11-22 23:17:26,727 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 238 246) the Hoare annotation is: true [2018-11-22 23:17:26,727 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 238 246) no Hoare annotation was computed. [2018-11-22 23:17:26,727 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 302 320) the Hoare annotation is: true [2018-11-22 23:17:26,727 INFO L448 ceAbstractionStarter]: For program point L311(lines 311 315) no Hoare annotation was computed. [2018-11-22 23:17:26,727 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 302 320) no Hoare annotation was computed. [2018-11-22 23:17:26,727 INFO L451 ceAbstractionStarter]: At program point L309(line 309) the Hoare annotation is: true [2018-11-22 23:17:26,727 INFO L448 ceAbstractionStarter]: For program point L311-2(lines 311 315) no Hoare annotation was computed. [2018-11-22 23:17:26,727 INFO L448 ceAbstractionStarter]: For program point L309-1(line 309) no Hoare annotation was computed. [2018-11-22 23:17:26,727 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 302 320) no Hoare annotation was computed. [2018-11-22 23:17:26,727 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 497 503) no Hoare annotation was computed. [2018-11-22 23:17:26,727 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 497 503) the Hoare annotation is: true [2018-11-22 23:17:26,727 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 408 418) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-22 23:17:26,727 INFO L444 ceAbstractionStarter]: At program point L413(line 413) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-22 23:17:26,728 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 408 418) no Hoare annotation was computed. [2018-11-22 23:17:26,728 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 408 418) no Hoare annotation was computed. [2018-11-22 23:17:26,728 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 219 226) the Hoare annotation is: (let ((.cse0 (< |old(~pumpRunning~0)| 1)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (or .cse0 (= ~systemActive~0 0) (< ~waterLevel~0 2)) .cse1) (or (or .cse0 (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) .cse1))) [2018-11-22 23:17:26,728 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 219 226) no Hoare annotation was computed. [2018-11-22 23:17:26,728 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 219 226) no Hoare annotation was computed. [2018-11-22 23:17:26,728 INFO L448 ceAbstractionStarter]: For program point L605(lines 605 611) no Hoare annotation was computed. [2018-11-22 23:17:26,728 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 601 614) no Hoare annotation was computed. [2018-11-22 23:17:26,728 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 601 614) the Hoare annotation is: true [2018-11-22 23:17:26,728 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 601 614) no Hoare annotation was computed. [2018-11-22 23:17:26,728 INFO L444 ceAbstractionStarter]: At program point L192(line 192) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or (< |old(~pumpRunning~0)| 1) (< ~waterLevel~0 1) .cse0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse1 .cse0 (not (= ~waterLevel~0 1)) .cse2) (or .cse1 (< ~waterLevel~0 2) .cse0 .cse2))) [2018-11-22 23:17:26,728 INFO L448 ceAbstractionStarter]: For program point L192-1(line 192) no Hoare annotation was computed. [2018-11-22 23:17:26,728 INFO L448 ceAbstractionStarter]: For program point L190(lines 190 207) no Hoare annotation was computed. [2018-11-22 23:17:26,728 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 186 210) no Hoare annotation was computed. [2018-11-22 23:17:26,728 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 186 210) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2 (not (= ~methAndRunningLastTime~0 0))) (or (or (< |old(~pumpRunning~0)| 1) .cse0 .cse1) .cse2))) [2018-11-22 23:17:26,729 INFO L444 ceAbstractionStarter]: At program point L205(line 205) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~methAndRunningLastTime~0 0))) (or (< |old(~pumpRunning~0)| 1) .cse0 .cse1))) [2018-11-22 23:17:26,729 INFO L448 ceAbstractionStarter]: For program point L205-1(lines 186 210) no Hoare annotation was computed. [2018-11-22 23:17:26,729 INFO L444 ceAbstractionStarter]: At program point L200(line 200) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or (< |old(~pumpRunning~0)| 1) (< ~waterLevel~0 1) .cse0) (or .cse1 .cse0 (not (= ~waterLevel~0 1)) .cse2) (or .cse1 (< ~waterLevel~0 2) .cse0 .cse2))) [2018-11-22 23:17:26,729 INFO L444 ceAbstractionStarter]: At program point L196(line 196) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2) (or (or (< |old(~pumpRunning~0)| 1) (< ~waterLevel~0 1) .cse1) (and (= processEnvironment_~tmp~2 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or .cse0 (< ~waterLevel~0 2) .cse1 .cse2))) [2018-11-22 23:17:26,729 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 202) no Hoare annotation was computed. [2018-11-22 23:17:26,729 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 152 158) no Hoare annotation was computed. [2018-11-22 23:17:26,729 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 152 158) the Hoare annotation is: true [2018-11-22 23:17:26,729 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 66 72) no Hoare annotation was computed. [2018-11-22 23:17:26,729 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 46 113) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-22 23:17:26,729 INFO L448 ceAbstractionStarter]: For program point L58(lines 58 62) no Hoare annotation was computed. [2018-11-22 23:17:26,729 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 46 113) no Hoare annotation was computed. [2018-11-22 23:17:26,729 INFO L444 ceAbstractionStarter]: At program point L106(lines 55 107) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-22 23:17:26,730 INFO L444 ceAbstractionStarter]: At program point L96(line 96) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 (= 0 ~methAndRunningLastTime~0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and (<= 1 ~pumpRunning~0) (and (not (= ~systemActive~0 0)) (not (= ~waterLevel~0 1)) .cse0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-22 23:17:26,730 INFO L448 ceAbstractionStarter]: For program point L94(lines 94 100) no Hoare annotation was computed. [2018-11-22 23:17:26,730 INFO L444 ceAbstractionStarter]: At program point L94-1(lines 86 101) the Hoare annotation is: (let ((.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse0 (= ~systemActive~0 0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse6 (<= 2 ~waterLevel~0)) (.cse5 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse1 .cse2 .cse5 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse6 .cse3) (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2 .cse3) (and (<= 1 ~pumpRunning~0) .cse6 .cse5 .cse3) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-22 23:17:26,730 INFO L448 ceAbstractionStarter]: For program point L57(lines 56 105) no Hoare annotation was computed. [2018-11-22 23:17:26,730 INFO L444 ceAbstractionStarter]: At program point L88(line 88) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 (= 0 ~methAndRunningLastTime~0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-22 23:17:26,730 INFO L448 ceAbstractionStarter]: For program point L86(lines 86 101) no Hoare annotation was computed. [2018-11-22 23:17:26,730 INFO L444 ceAbstractionStarter]: At program point L78(line 78) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~waterLevel~0)) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse4 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and (= ~systemActive~0 0) .cse0 .cse1 .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse4 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse4 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-22 23:17:26,730 INFO L448 ceAbstractionStarter]: For program point L76(lines 76 82) no Hoare annotation was computed. [2018-11-22 23:17:26,730 INFO L448 ceAbstractionStarter]: For program point L76-1(lines 76 82) no Hoare annotation was computed. [2018-11-22 23:17:26,731 INFO L444 ceAbstractionStarter]: At program point L103(lines 56 105) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~waterLevel~0)) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse4 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and (= ~systemActive~0 0) .cse0 .cse1 .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse4 .cse2 .cse3) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse4 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-22 23:17:26,731 INFO L444 ceAbstractionStarter]: At program point L68(line 68) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~waterLevel~0)) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse4 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and (= ~systemActive~0 0) .cse0 .cse1 .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse4 .cse2 .cse3) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse4 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-22 23:17:26,731 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 46 113) no Hoare annotation was computed. [2018-11-22 23:17:26,731 INFO L448 ceAbstractionStarter]: For program point L66(lines 66 72) no Hoare annotation was computed. [2018-11-22 23:17:26,731 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 615 623) no Hoare annotation was computed. [2018-11-22 23:17:26,731 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 615 623) the Hoare annotation is: true [2018-11-22 23:17:26,731 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 615 623) no Hoare annotation was computed. [2018-11-22 23:17:26,731 INFO L444 ceAbstractionStarter]: At program point L471(line 471) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (< ~waterLevel~0 1)) (.cse3 (< ~pumpRunning~0 1)) (.cse4 (< ~waterLevel~0 2)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (or .cse1 .cse2)) (or .cse1 (not (= ~systemActive~0 0)) .cse0) (or .cse3 .cse4 (or .cse2 (not (= ~methaneLevelCritical~0 0)))) (or .cse3 .cse4 .cse2 (not (= |old(~methAndRunningLastTime~0)| 0))))) [2018-11-22 23:17:26,731 INFO L448 ceAbstractionStarter]: For program point L469(lines 469 475) no Hoare annotation was computed. [2018-11-22 23:17:26,731 INFO L448 ceAbstractionStarter]: For program point L468(lines 468 478) no Hoare annotation was computed. [2018-11-22 23:17:26,731 INFO L444 ceAbstractionStarter]: At program point L466(line 466) the Hoare annotation is: (let ((.cse4 (< ~pumpRunning~0 1)) (.cse5 (< ~waterLevel~0 2)) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (< ~waterLevel~0 1)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse9 (not (= ~systemActive~0 0))) (.cse7 (not (= ~waterLevel~0 1))) (.cse8 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse6 (= 0 ~methAndRunningLastTime~0))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or .cse4 .cse5 (or .cse1 .cse2)) (or .cse0 .cse6 .cse1 .cse7 .cse8) (or .cse4 .cse5 .cse1 .cse6 .cse8) (or .cse9 .cse3 (or .cse0 .cse2)) (or .cse0 .cse9 .cse7 .cse8 .cse6))) [2018-11-22 23:17:26,731 INFO L448 ceAbstractionStarter]: For program point L466-1(line 466) no Hoare annotation was computed. [2018-11-22 23:17:26,732 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 456 484) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~waterLevel~0 1))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (= 0 ~methAndRunningLastTime~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (< ~pumpRunning~0 1) (< ~waterLevel~0 2) .cse2 .cse1 .cse4) (or .cse0 (not (= ~systemActive~0 0)) .cse3 .cse4 .cse1))) [2018-11-22 23:17:26,732 INFO L448 ceAbstractionStarter]: For program point L464(lines 464 481) no Hoare annotation was computed. [2018-11-22 23:17:26,732 INFO L448 ceAbstractionStarter]: For program point L464-1(lines 456 484) no Hoare annotation was computed. [2018-11-22 23:17:26,732 INFO L444 ceAbstractionStarter]: At program point L462(line 462) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~waterLevel~0 1))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (= 0 ~methAndRunningLastTime~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (< ~pumpRunning~0 1) (< ~waterLevel~0 2) .cse2 .cse1 .cse4) (or .cse0 (not (= ~systemActive~0 0)) .cse3 .cse4 .cse1))) [2018-11-22 23:17:26,732 INFO L448 ceAbstractionStarter]: For program point L462-1(line 462) no Hoare annotation was computed. [2018-11-22 23:17:26,732 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 456 484) no Hoare annotation was computed. [2018-11-22 23:17:26,732 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 448 455) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~waterLevel~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~methaneLevelCritical~0 0)) (= 0 ~methAndRunningLastTime~0)) [2018-11-22 23:17:26,732 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 448 455) no Hoare annotation was computed. [2018-11-22 23:17:26,732 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 448 455) no Hoare annotation was computed. [2018-11-22 23:17:26,732 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-22 23:17:26,732 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-22 23:17:26,732 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-22 23:17:26,732 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 211 218) no Hoare annotation was computed. [2018-11-22 23:17:26,732 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 211 218) no Hoare annotation was computed. [2018-11-22 23:17:26,733 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 211 218) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 2) (not (= ~systemActive~0 1)) (not (= ~methAndRunningLastTime~0 0))) [2018-11-22 23:17:26,733 INFO L448 ceAbstractionStarter]: For program point L290-1(line 290) no Hoare annotation was computed. [2018-11-22 23:17:26,733 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 283 301) no Hoare annotation was computed. [2018-11-22 23:17:26,733 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 283 301) the Hoare annotation is: true [2018-11-22 23:17:26,733 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 283 301) no Hoare annotation was computed. [2018-11-22 23:17:26,733 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 296) no Hoare annotation was computed. [2018-11-22 23:17:26,733 INFO L451 ceAbstractionStarter]: At program point L290(line 290) the Hoare annotation is: true [2018-11-22 23:17:26,733 INFO L448 ceAbstractionStarter]: For program point L292-2(lines 292 296) no Hoare annotation was computed. [2018-11-22 23:17:26,733 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 548 559) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (< ~waterLevel~0 2)) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse5 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse0 (= 0 ~methaneLevelCritical~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse3 (not (= ~waterLevel~0 1)) .cse4 .cse5 .cse0) (or .cse1 (not (= ~systemActive~0 0)) .cse0 (< ~waterLevel~0 1) .cse4 .cse5) (or (or (< ~pumpRunning~0 1) .cse2 .cse3 .cse4 .cse5) .cse0))) [2018-11-22 23:17:26,733 INFO L448 ceAbstractionStarter]: For program point L552-1(lines 548 559) no Hoare annotation was computed. [2018-11-22 23:17:26,733 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 548 559) no Hoare annotation was computed. [2018-11-22 23:17:26,733 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 560 568) the Hoare annotation is: true [2018-11-22 23:17:26,733 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 560 568) no Hoare annotation was computed. [2018-11-22 23:17:26,733 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 560 568) no Hoare annotation was computed. [2018-11-22 23:17:26,734 INFO L451 ceAbstractionStarter]: At program point L352(line 352) the Hoare annotation is: true [2018-11-22 23:17:26,734 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 346 375) no Hoare annotation was computed. [2018-11-22 23:17:26,734 INFO L448 ceAbstractionStarter]: For program point L352-1(line 352) no Hoare annotation was computed. [2018-11-22 23:17:26,734 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 346 375) the Hoare annotation is: true [2018-11-22 23:17:26,734 INFO L451 ceAbstractionStarter]: At program point L371(lines 346 375) the Hoare annotation is: true [2018-11-22 23:17:26,734 INFO L448 ceAbstractionStarter]: For program point L367(line 367) no Hoare annotation was computed. [2018-11-22 23:17:26,734 INFO L448 ceAbstractionStarter]: For program point L360(lines 360 364) no Hoare annotation was computed. [2018-11-22 23:17:26,734 INFO L451 ceAbstractionStarter]: At program point L360-1(lines 360 364) the Hoare annotation is: true [2018-11-22 23:17:26,734 INFO L448 ceAbstractionStarter]: For program point L357(line 357) no Hoare annotation was computed. [2018-11-22 23:17:26,734 INFO L451 ceAbstractionStarter]: At program point L356-2(lines 356 370) the Hoare annotation is: true [2018-11-22 23:17:26,734 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 128 151) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse9 (= 1 ~waterLevel~0)) (.cse8 (not (= |old(~waterLevel~0)| 1))) (.cse4 (< |old(~waterLevel~0)| 2)) (.cse2 (not (= ~systemActive~0 0))) (.cse11 (and .cse1 .cse0)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< |old(~waterLevel~0)| 1)) (.cse10 (not (= ~systemActive~0 1))) (.cse5 (= 0 ~methAndRunningLastTime~0)) (.cse7 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (and .cse0 .cse1) .cse2 (or .cse3 .cse4)) (or .cse3 (and .cse5 .cse1) .cse2 .cse6 .cse7) (or .cse3 .cse2 .cse8 .cse7 .cse9) (or .cse3 .cse9 .cse10 .cse8 .cse7) (or (or (or (< |old(~pumpRunning~0)| 1) .cse10) .cse4) .cse11) (or .cse2 .cse6 (or .cse3 (not (= ~methaneLevelCritical~0 0))) .cse11) (or .cse3 .cse6 .cse10 (and .cse5 .cse0 .cse1) .cse7)))) [2018-11-22 23:17:26,734 INFO L444 ceAbstractionStarter]: At program point L141(line 141) the Hoare annotation is: (let ((.cse4 (not (= ~systemActive~0 0))) (.cse1 (< |old(~waterLevel~0)| 2)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (< |old(~waterLevel~0)| 1)) (.cse0 (not (= ~systemActive~0 1))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (or (or (< |old(~pumpRunning~0)| 1) .cse0) .cse1) (and (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse2)) (or .cse3 .cse4 .cse5 .cse6) (or .cse4 .cse5 (or .cse3 (not (= ~methaneLevelCritical~0 0)))) (or .cse3 (= 1 ~waterLevel~0) .cse0 (not (= |old(~waterLevel~0)| 1)) .cse6) (or .cse4 (or .cse3 .cse1)) (or .cse3 .cse5 .cse0 (and (= 0 ~methAndRunningLastTime~0) (<= |old(~waterLevel~0)| ~waterLevel~0) .cse2) .cse6))) [2018-11-22 23:17:26,735 INFO L444 ceAbstractionStarter]: At program point L139(lines 139 145) the Hoare annotation is: (let ((.cse8 (= 0 ~methAndRunningLastTime~0)) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse9 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (< |old(~waterLevel~0)| 2)) (.cse7 (not (= ~systemActive~0 1))) (.cse5 (< |old(~waterLevel~0)| 1)) (.cse1 (and .cse4 .cse9)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 0))) (.cse11 (not (= |old(~waterLevel~0)| 1))) (.cse6 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse10 (and (= 1 ~waterLevel~0) .cse8))) (and (or .cse0 .cse1 (or .cse2 .cse3)) (or .cse2 .cse4 .cse0 .cse5 .cse6) (or (and (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (or (or (< |old(~pumpRunning~0)| 1) .cse7) .cse3)) (or .cse2 .cse5 .cse7 .cse6 .cse1 (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse8 .cse9)) (or .cse2 .cse10 .cse7 .cse11 .cse6) (or .cse0 .cse5 (or .cse2 (not (= ~methaneLevelCritical~0 0))) .cse1) (or .cse2 .cse0 .cse11 .cse6 .cse10)))) [2018-11-22 23:17:26,735 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 128 151) no Hoare annotation was computed. [2018-11-22 23:17:26,735 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 128 151) no Hoare annotation was computed. [2018-11-22 23:17:26,735 INFO L444 ceAbstractionStarter]: At program point L134(line 134) the Hoare annotation is: (let ((.cse2 (< |old(~waterLevel~0)| 1)) (.cse1 (not (= ~systemActive~0 0))) (.cse5 (< |old(~waterLevel~0)| 2)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 (or .cse0 (not (= ~methaneLevelCritical~0 0)))) (or (or (or (< |old(~pumpRunning~0)| 1) .cse4) .cse5) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse1 (or .cse0 .cse5)) (or .cse0 .cse5 .cse4 .cse3) (or .cse0 .cse4 (not (= |old(~waterLevel~0)| 1)) .cse3))) [2018-11-22 23:17:26,735 INFO L448 ceAbstractionStarter]: For program point L132(lines 131 150) no Hoare annotation was computed. [2018-11-22 23:17:26,735 INFO L448 ceAbstractionStarter]: For program point L528-1(lines 524 535) no Hoare annotation was computed. [2018-11-22 23:17:26,735 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 524 535) the Hoare annotation is: (or (or (< ~pumpRunning~0 1) (not (= ~systemActive~0 1)) (< |old(~waterLevel~0)| 2)) (<= |old(~waterLevel~0)| ~waterLevel~0)) [2018-11-22 23:17:26,735 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 524 535) no Hoare annotation was computed. [2018-11-22 23:17:26,735 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 400 406) no Hoare annotation was computed. [2018-11-22 23:17:26,735 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 400 406) the Hoare annotation is: true [2018-11-22 23:17:26,735 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-22 23:17:26,736 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0)) [2018-11-22 23:17:26,736 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-22 23:17:26,736 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-22 23:17:26,736 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 160 184) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1) (not (= ~systemActive~0 1)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~methAndRunningLastTime~0 0))) [2018-11-22 23:17:26,736 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 160 184) no Hoare annotation was computed. [2018-11-22 23:17:26,736 INFO L444 ceAbstractionStarter]: At program point L179(line 179) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2) (or .cse0 (< ~waterLevel~0 2) .cse1 .cse2))) [2018-11-22 23:17:26,736 INFO L448 ceAbstractionStarter]: For program point L179-1(lines 160 184) no Hoare annotation was computed. [2018-11-22 23:17:26,736 INFO L444 ceAbstractionStarter]: At program point L174(line 174) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1) (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~methAndRunningLastTime~0 0))) [2018-11-22 23:17:26,736 INFO L444 ceAbstractionStarter]: At program point L170(line 170) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (< ~waterLevel~0 1) (not (= ~systemActive~0 1)) (not (= ~methAndRunningLastTime~0 0))) [2018-11-22 23:17:26,736 INFO L448 ceAbstractionStarter]: For program point L168(lines 168 176) no Hoare annotation was computed. [2018-11-22 23:17:26,736 INFO L444 ceAbstractionStarter]: At program point L166(line 166) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1) (not (= ~systemActive~0 1)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~methAndRunningLastTime~0 0))) [2018-11-22 23:17:26,736 INFO L448 ceAbstractionStarter]: For program point L166-1(line 166) no Hoare annotation was computed. [2018-11-22 23:17:26,736 INFO L448 ceAbstractionStarter]: For program point L164(lines 164 181) no Hoare annotation was computed. [2018-11-22 23:17:26,737 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 336 343) no Hoare annotation was computed. [2018-11-22 23:17:26,737 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 336 343) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~systemActive~0 0) (not (= |old(~systemActive~0)| 0)) (< ~waterLevel~0 1) (not (= ~methAndRunningLastTime~0 0))) [2018-11-22 23:17:26,737 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 336 343) no Hoare annotation was computed. [2018-11-22 23:17:26,737 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 536 547) no Hoare annotation was computed. [2018-11-22 23:17:26,737 INFO L448 ceAbstractionStarter]: For program point L540-1(lines 536 547) no Hoare annotation was computed. [2018-11-22 23:17:26,737 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 536 547) the Hoare annotation is: (let ((.cse2 (< |old(~waterLevel~0)| 2)) (.cse0 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (not (= ~systemActive~0 1))) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 0))) (.cse7 (not (= |old(~waterLevel~0)| 1))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse6 (= 1 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (or .cse4 .cse5) .cse2 .cse0 .cse3) (or (< ~pumpRunning~0 1) .cse5 .cse2 .cse0) (or .cse4 .cse6 .cse5 .cse7 .cse3) (or .cse4 .cse1 .cse7 .cse3 .cse6))) [2018-11-22 23:17:26,737 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 991 998) no Hoare annotation was computed. [2018-11-22 23:17:26,737 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 995) no Hoare annotation was computed. [2018-11-22 23:17:26,737 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 991 998) the Hoare annotation is: true [2018-11-22 23:17:26,737 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 991 998) no Hoare annotation was computed. [2018-11-22 23:17:26,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 11:17:26 BoogieIcfgContainer [2018-11-22 23:17:26,749 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-22 23:17:26,750 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-22 23:17:26,750 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-22 23:17:26,750 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-22 23:17:26,750 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:17:11" (3/4) ... [2018-11-22 23:17:26,761 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-22 23:17:26,766 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-22 23:17:26,766 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-22 23:17:26,766 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-22 23:17:26,766 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-22 23:17:26,766 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-22 23:17:26,766 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-22 23:17:26,766 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-22 23:17:26,766 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-22 23:17:26,766 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-22 23:17:26,766 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-22 23:17:26,767 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-22 23:17:26,767 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-22 23:17:26,767 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-22 23:17:26,767 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-22 23:17:26,767 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-22 23:17:26,767 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-22 23:17:26,767 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-22 23:17:26,767 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-22 23:17:26,767 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-22 23:17:26,767 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-22 23:17:26,767 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-22 23:17:26,767 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-22 23:17:26,767 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-22 23:17:26,767 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-22 23:17:26,767 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-22 23:17:26,768 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-22 23:17:26,768 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-22 23:17:26,768 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-22 23:17:26,768 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-22 23:17:26,776 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2018-11-22 23:17:26,776 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-22 23:17:26,776 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-22 23:17:26,777 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-22 23:17:26,777 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-22 23:17:26,777 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-22 23:17:26,777 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-22 23:17:26,800 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((systemActive == 0 && 0 == pumpRunning) && 1 <= waterLevel) && splverifierCounter == 0) && 0 == methAndRunningLastTime) || !(\old(systemActive) == 1)) || ((((0 == pumpRunning && 1 <= waterLevel) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(methAndRunningLastTime) == 0)) || !(0 == \old(pumpRunning))) || (((1 <= pumpRunning && 2 <= waterLevel) && systemActive == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-22 23:17:26,801 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) [2018-11-22 23:17:26,832 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b72ab499-d4ad-48a3-a8c0-f4b0243ce041/bin-2019/utaipan/witness.graphml [2018-11-22 23:17:26,832 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-22 23:17:26,832 INFO L168 Benchmark]: Toolchain (without parser) took 16549.24 ms. Allocated memory was 1.0 GB in the beginning and 2.0 GB in the end (delta: 980.4 MB). Free memory was 951.1 MB in the beginning and 923.3 MB in the end (delta: 27.7 MB). Peak memory consumption was 1.0 GB. Max. memory is 11.5 GB. [2018-11-22 23:17:26,833 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 23:17:26,833 INFO L168 Benchmark]: CACSL2BoogieTranslator took 354.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -166.3 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-11-22 23:17:26,833 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.29 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 23:17:26,833 INFO L168 Benchmark]: Boogie Preprocessor took 27.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-22 23:17:26,834 INFO L168 Benchmark]: RCFGBuilder took 442.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 57.3 MB). Peak memory consumption was 57.3 MB. Max. memory is 11.5 GB. [2018-11-22 23:17:26,834 INFO L168 Benchmark]: TraceAbstraction took 15618.35 ms. Allocated memory was 1.2 GB in the beginning and 2.0 GB in the end (delta: 843.1 MB). Free memory was 1.1 GB in the beginning and 923.3 MB in the end (delta: 133.3 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-11-22 23:17:26,834 INFO L168 Benchmark]: Witness Printer took 82.13 ms. Allocated memory is still 2.0 GB. Free memory was 923.3 MB in the beginning and 923.3 MB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. [2018-11-22 23:17:26,835 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 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 354.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -166.3 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.29 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 442.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 57.3 MB). Peak memory consumption was 57.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 15618.35 ms. Allocated memory was 1.2 GB in the beginning and 2.0 GB in the end (delta: 843.1 MB). Free memory was 1.1 GB in the beginning and 923.3 MB in the end (delta: 133.3 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. * Witness Printer took 82.13 ms. Allocated memory is still 2.0 GB. Free memory was 923.3 MB in the beginning and 923.3 MB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 995]: 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: 55]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 356]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: ((((((((((systemActive == 0 && 0 == pumpRunning) && 1 <= waterLevel) && splverifierCounter == 0) && 0 == methAndRunningLastTime) || !(\old(systemActive) == 1)) || ((((0 == pumpRunning && 1 <= waterLevel) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(methAndRunningLastTime) == 0)) || !(0 == \old(pumpRunning))) || (((1 <= pumpRunning && 2 <= waterLevel) && systemActive == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 156 locations, 1 error locations. SAFE Result, 15.5s OverallTime, 15 OverallIterations, 2 TraceHistogramMax, 3.5s AutomataDifference, 0.0s DeadEndRemovalTime, 3.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 2814 SDtfs, 1718 SDslu, 5204 SDs, 0 SdLazy, 2673 SolverSat, 522 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1375 GetRequests, 1269 SyntacticMatches, 10 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 221 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3716occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 4.0s AbstIntTime, 4 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 15 MinimizatonAttempts, 2053 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 65 LocationsWithAnnotation, 7538 PreInvPairs, 7685 NumberOfFragments, 2448 HoareAnnotationTreeSize, 7538 FomulaSimplifications, 25720 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 65 FomulaSimplificationsInter, 19948 FormulaSimplificationTreeSizeReductionInter, 2.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 2203 NumberOfCodeBlocks, 2203 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 2800 ConstructedInterpolants, 0 QuantifiedInterpolants, 556549 SizeOfPredicates, 17 NumberOfNonLiveVariables, 3636 ConjunctsInSsa, 27 ConjunctsInUnsatCore, 23 InterpolantComputations, 16 PerfectInterpolantSequences, 607/649 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...